0000935036-21-000014 | 10-K | XBRL Viewer

General and administrative

$ 387,044

$ 315,883

$ 299,910

$ 291,485

$ 399,920

$ 354,901

$ 297,618

$ 205,855

$ 1,294,322

$ 1,258,294

$ 1,009,780

Operating expenses

Cost of revenue

150,697

158,579

147,346

165,837

173,104

174,168

155,240

114,941

622,459

^[1]

617,453

^[1]

430,351

^[1]

Research and development

31,118

33,573

35,578

39,024

34,601

36,543

39,235

36,194

139,293

146,573

143,630

Selling and marketing

26,875

22,154

24,455

30,083

30,875

30,417

32,962

29,430

103,567

123,684

117,881

49,784

37,000

29,758

35,926

27,174

27,286

49,319

31,517

152,468

135,296

107,422

Depreciation and amortization

32,863

33,395

33,635

31,898

31,753

31,169

26,744

21,866

131,791

111,532

84,585

Total operating expenses

291,337

284,701

270,772

302,768

297,507

299,583

303,500

233,948

1,149,578

1,134,538

883,869

Operating income

95,707

31,182

29,138

(11,283)

102,413

55,318

(5,882)

(28,093)

144,744

123,756

125,911

Other income (expense)

Interest expense

(12,392)

(12,925)

(14,142)

(17,171)

(18,109)

(18,987)

(15,323)

(11,614)

(56,630)

(64,033)

(41,530)

Interest income

2,847

2,927

2,954

2,900

2,949

2,988

2,997

3,033

11,628

11,967

11,142

Other, net

5,245

1,356

2,041

(9,758)

3,399

(2,369)

1,402

(1,912)

(1,116)

520

(3,724)

Total other income (expense)

(4,300)

(8,642)

(9,147)

(24,029)

(11,761)

(18,368)

(10,924)

(10,493)

(46,118)

(51,546)

(34,112)

Income before income taxes

91,407

22,540

19,991

(35,312)

90,652

36,950

(16,806)

(38,586)

98,626

72,210

91,799

Income tax expense

24,261

6,674

5,916

(10,885)

35,166

5,136

(22,531)

(12,623)

25,966

5,148

22,878

Net income

$ 67,146

$ 15,866

$ 14,075

$ (24,427)

$ 55,486

$ 31,814

$ 5,725

$ (25,963)

$ 72,660

$ 67,062

$ 68,921

Income per common share

Basic (in dollars per share)

$ 0.57

$ 0.14

$ 0.12

$ (0.21)

$ 0.48

$ 0.27

$ 0.05

$ (0.22)

$ 0.62

$ 0.58

$ 0.59

Diluted (in dollars per share)

$ 0.56

$ 0.13

$ 0.12

$ (0.21)

$ 0.47

$ 0.27

$ 0.05

$ (0.22)

$ 0.62

$ 0.57

$ 0.59

Weighted average common shares outstanding

Basic (in shares)

116,397

116,175

116,057

Diluted (in shares)

118,079

118,571

117,632

Software as a service and platform as a service

Revenues

$ 205,288

$ 190,369

$ 180,573

$ 192,950

$ 203,661

$ 192,952

$ 172,499

$ 108,557

$ 769,180

$ 677,669

$ 433,025

License

Revenues

111,858

56,773

50,136

28,129

122,584

92,058

52,541

21,078

246,896

288,261

280,556

Maintenance

Revenues

52,619

53,049

52,749

53,280

53,738

52,638

51,922

55,111

211,697

213,409

219,145

Services

Revenues

$ 17,279

$ 15,692

$ 16,452

$ 17,126

$ 19,937

$ 17,253

$ 20,656

$ 21,109

$ 66,549

$ 78,955

$ 77,054

[1]	The cost of revenue excludes charges for depreciation but includes amortization of purchased and developed software for resale.

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 72,660	$ 67,062	$ 68,921
Other comprehensive income (loss):
Foreign currency translation adjustments	(862)	1,034	(15,261)
Total other comprehensive income (loss)	(862)	1,034	(15,261)
Comprehensive income	$ 71,798	$ 68,096	$ 53,660

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Additional Paid-in Capital	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Treasury Stock	Accumulated Other Comprehensive Income (Loss)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of accounting change, ASC 606	$ 764,597	$ 243,981	$ 702	$ 610,345	$ 550,866	$ 243,981	$ (319,960)	$ (77,356)
Beginning balance at Dec. 31, 2017	764,597	243,981	702	610,345	550,866	243,981	(319,960)	(77,356)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	68,921				68,921
Other comprehensive income (loss)	(15,261)							(15,261)
Stock-based compensation	20,360			20,360
Shares issued and forfeited, net, under stock plans	22,748			1,530			21,218
Repurchase of common stock	(54,527)						(54,527)
Repurchase of stock-based compensation awards for tax withholdings	$ (2,588)						(2,588)
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201409Member
Cumulative effect of accounting change, ASC 606	$ 1,048,231	$ 243,981	702	632,235	863,768	$ 243,981	(355,857)	(92,617)
Ending balance at Dec. 31, 2018	1,048,231		702	632,235	863,768		(355,857)	(92,617)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of accounting change, ASC 606	1,048,231		702	632,235	863,768		(355,857)	(92,617)
Net income	67,062				67,062
Other comprehensive income (loss)	1,034							1,034
Stock-based compensation	36,763			36,763
Shares issued and forfeited, net, under stock plans	16,481			(1,340)			17,821
Repurchase of common stock	(35,617)						(35,617)
Repurchase of stock-based compensation awards for tax withholdings	(3,986)						(3,986)
Cumulative effect of accounting change, ASC 606	1,048,231		702	667,658	930,830		(377,639)	(91,583)
Ending balance at Dec. 31, 2019	1,129,968		702	667,658	930,830		(377,639)	(91,583)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of accounting change, ASC 606	1,129,968		702	667,658	930,830		(377,639)	(91,583)
Net income	72,660				72,660
Other comprehensive income (loss)	(862)							(862)
Stock-based compensation	29,602			29,602
Shares issued and forfeited, net, under stock plans	15,678			(14,829)			30,507
Repurchase of common stock	(28,881)						(28,881)
Repurchase of stock-based compensation awards for tax withholdings	(11,568)						(11,568)
Cumulative effect of accounting change, ASC 606	1,129,968		702	682,431	1,003,490		(387,581)	(92,445)
Ending balance at Dec. 31, 2020	1,206,597		702	682,431	1,003,490		(387,581)	(92,445)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of accounting change, ASC 606	$ 1,206,597		$ 702	$ 682,431	$ 1,003,490		$ (387,581)	$ (92,445)

Indicates amendment to accounting standards.

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Reference 29: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 10
-Section 65
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437

Reference 30: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 65
-Paragraph 2
-Subparagraph (g)(2)(ii)
-URI http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641

Reference 31: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 65
-Paragraph 8
-Subparagraph (d)(2)

Reference 32: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 65
-Paragraph 8
-Subparagraph (d)(3)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

Nature of Business and Summary of Significant Accounting Policies

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

+ References + Details

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) - shares	12 Months Ended			34 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2020
Statement of Stockholders' Equity [Abstract]
Repurchase of common stock (in shares)	1,000,000	1,228,102	2,346,427	46,357,495

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cash flows from operating activities:
Net income	$ 72,660	$ 67,062	$ 68,921
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation	24,728	24,092	23,805
Amortization	115,588	98,477	73,545
Amortization of operating lease right-of-use assets	23,448	15,934	0
Amortization of deferred debt issuance costs	4,802	4,128	4,637
Deferred income taxes	3,349	(22,140)	(5,734)
Stock-based compensation expense	29,602	36,763	20,360
Other	6,017	5,175	2,007
Changes in operating assets and liabilities, net of impact of acquisitions:
Receivables	8,793	(19,054)	(14,760)
Accounts payable	2,484	(7,703)	5,766
Accrued employee compensation	18,491	(10,829)	(9,684)
Deferred revenue	9,421	(37,561)	14,219
Other current and noncurrent assets and liabilities	16,919	(16,695)	850
Net cash flows from operating activities	336,302	137,649	183,932
Cash flows from investing activities:
Purchases of property and equipment	(17,804)	(23,099)	(18,265)
Purchases of software and distribution rights	(28,829)	(24,915)	(25,628)
Acquisition of businesses, net of cash acquired	0	(757,268)	0
Other	15,934	(25,199)	(1,467)
Net cash flows from investing activities	(30,699)	(830,481)	(45,360)
Cash flows from financing activities:
Proceeds from issuance of common stock	3,759	3,591	3,098
Proceeds from exercises of stock options	11,924	12,985	19,674
Repurchase of stock-based compensation awards for tax withholdings	(11,568)	(3,986)	(2,588)
Repurchase of common stock	(28,881)	(35,617)	(54,527)
Proceeds from senior notes	0	0	400,000
Redemption of senior notes	0	0	(300,000)
Proceeds from revolving credit facility	30,000	280,000	109,000
Repayments of revolving credit facility	(214,000)	(41,000)	(111,000)
Proceeds from term portion of credit agreement	0	500,000	0
Repayments of term portion of credit agreement	(38,950)	(28,900)	(109,289)
Payment for debt issuance costs	0	(12,830)	(7,319)
Payments on or proceeds from other debt, net	(13,854)	(7,020)	(4,753)
Net cash flows from financing activities	(261,570)	667,223	(57,704)
Effect of exchange rate fluctuations on cash	(57)	(1,495)	(2,076)
Net increase (decrease) in cash and cash equivalents	43,976	(27,104)	78,792
Cash and cash equivalents, beginning of period	121,398	148,502	69,710
Cash and cash equivalents, end of period	165,374	121,398	148,502
Supplemental cash flow information
Income taxes paid, net	27,760	27,727	32,205
Interest paid	$ 51,991	$ 58,980	$ 35,300

Nature of Business and Summary of Significant Accounting Policies

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Nature of Business

ACI Worldwide, Inc., a Delaware corporation, and its subsidiaries (collectively referred to as “ACI” or the “Company”) develop, market, install, and support a broad line of software products and services primarily focused on facilitating electronic payments. In addition to its own products, the Company distributes or acts as a sales agent for software developed by third parties. These products and services are used principally by banks, intermediaries, merchants, and billers, both in domestic and international markets.

Consolidated Financial Statements

The consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All intercompany balances and transactions have been eliminated.

Capital Stock

The Company’s outstanding capital stock consists of a single class of common stock. Each share of common stock is entitled to one vote for each matter subject to a stockholder’s vote and to dividends, if and when declared by the board of directors (the “board”).

Use of Estimates

The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States (“U.S. GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

Cash and Cash Equivalents

The Company considers all highly liquid investments with original maturities of three months or less to be cash equivalents. The Company’s cash and cash equivalents includes holdings in checking, savings, money market, and overnight sweep accounts, all of which have daily maturities, as well as time deposits with maturities of three months or less at the date of purchase. The carrying amounts of cash and cash equivalents on the consolidated balance sheets approximate fair value.

Risks and Uncertainties

The Company is subject to risks and uncertainties as a result of the COVID-19 pandemic. The extent of the impact of the COVID-19 pandemic on the Company's business is highly uncertain and difficult to predict, as the response to the pandemic and available information continues to be evolving. The Company has experienced changes in volumes for certain Merchant and Biller customers and has received limited requests for extended payment terms under existing contracts. Furthermore, capital markets and economies worldwide have also been negatively impacted by the COVID-19 pandemic, and it is possible that it could cause a local and/or global economic recession. Such economic disruption could have a material adverse effect on our business as our customers curtail and reduce capital and overall spending. Policymakers around the globe have responded with fiscal policy actions to support the economy as a whole. The magnitude and overall effectiveness of these actions remains uncertain.

The severity of the impact of the COVID-19 pandemic on the Company's business will depend on a number of factors, including, but not limited to, the duration and severity of the pandemic and the extent and severity of the impact on the Company's customers, all of which are uncertain and cannot be predicted. The Company's future results of operations and liquidity could be adversely impacted by delays in payments of outstanding receivable amounts beyond normal payment terms, uncertain demand, and the impact of any initiatives or programs that the Company may undertake to address financial and operational challenges faced by its customers. As of the date of issuance of these consolidated financial statements, the extent to which the COVID-19 pandemic may materially impact the Company's financial condition, liquidity, or results of operations is uncertain.

Other Current Liabilities

The components of other current liabilities are included in the following table (in thousands):


	December 31,
	2020		2019
Operating lease liabilities	$	13,438	$	15,049
Vendor financed licenses	12,901		9,667
Accrued interest	8,745		9,212
Royalties payable	3,959		6,107
Other	42,569		36,936
Total other current liabilities	$	81,612	$	76,971

Settlement Assets and Liabilities

Individuals and businesses settle their obligations to the Company’s various Biller clients using credit or debit cards or via automated clearing house (“ACH”) payments. The Company creates a receivable for the amount due from the credit or debit card processor and an offsetting payable to the client. Upon confirmation that the funds have been received, the Company settles the obligation to the client. Due to timing, in some instances, the Company may (1) receive the funds into bank accounts controlled by and in the Company’s name that are not disbursed to its clients by the end of the day, resulting in a settlement deposit on the Company’s books and (2) disburse funds to its clients in advance of receiving funds from the credit or debit card processor, resulting in a net settlement receivable position.

Off Balance Sheet Settlement Accounts

The Company also enters into agreements with certain Biller clients to process payment funds on their behalf. When an ACH or automated teller machine network payment transaction is processed, a transaction is initiated to withdraw funds from the designated source account and deposit them into a settlement account, which is a trust account maintained for the benefit of the Company’s clients. A simultaneous transaction is initiated to transfer funds from the settlement account to the intended destination account. These “back to back” transactions are designed to settle at the same time, usually overnight, such that the Company receives the funds from the source at the same time as it sends the funds to their destination. However, due to the transactions being with various financial institutions there may be timing differences that result in float balances. These funds are maintained in accounts for the benefit of the client which is separate from the Company’s corporate assets. As the Company does not take ownership of the funds, these settlement accounts are not included in the Company’s balance sheet. The Company is entitled to interest earned on the fund balances. The collection of interest on these settlement accounts is considered in the Company’s determination of its fee structure for clients and represents a portion of the payment for services performed by the Company. The amount of settlement funds as of December 31, 2020 and 2019, were $246.8 million and $274.0 million, respectively.

Property and Equipment

Property and equipment are stated at cost. Depreciation of these assets is generally computed using the straight-line method over their estimated useful lives based on asset class. As of December 31, 2020 and 2019, net property and equipment consisted of the following (in thousands):


		December 31,
	Useful Lives	2020		2019
Computer and office equipment	3 - 5 years	$	133,346	$	143,942
Leasehold improvements	Lesser of useful life of improvement or remaining life of lease	29,535		33,346
Building and improvements	7 - 30 years	14,588		14,553
Furniture and fixtures	7 years	8,539		12,980
Land	Non-depreciable	1,785		1,785
Property and equipment, gross		187,793		206,606
Less: accumulated depreciation		(123,059)		(136,226)
Property and equipment, net		$	64,734	$	70,380

Software

Software may be for internal use or for resale. Costs related to certain software, which is for resale, are capitalized in accordance with Accounting Standards Codification (“ASC”) 985-20, Costs of Software to be Sold, Leased, or Marketed, when the resulting product reaches technological feasibility. The Company generally determines technological feasibility when it has a detailed program design that takes product function, feature and technical requirements to their most detailed, logical form and is ready for coding. The Company does not typically capitalize costs related to software for resale as technological feasibility generally coincides with general availability of the software. The Company capitalizes the costs of software developed or obtained for internal use in accordance with ASC 350-40, Internal Use Software. The Company expenses all costs incurred during the preliminary project stage of its development and capitalizes the costs incurred during the application development stage. Costs incurred relating to upgrades and enhancements to the software are capitalized if it is determined that these upgrades or enhancements add additional functionality to the software. Costs incurred during the application development stage include purchased software licenses, implementation costs, consulting costs, and payroll-related costs for projects that qualify for capitalization. All other costs, primarily related to maintenance and minor software fixes, are expensed as incurred.

Amortization of software for resale is determined on a product-by-product basis and begins when the product is available for licensing to customers. The annual amortization is computed using the greater of (a) the ratio of current gross revenues to the total of current and future gross revenues expected to be derived from the software or (b) the straight-line method over the remaining estimated useful life of generally five to ten years, including the period being reported on. Due to competitive pressures, it may be possible that the estimates of future gross revenue or remaining estimated useful life of the software will be reduced significantly. As a result, the carrying amount of the software may be reduced accordingly. Amortization of internal-use software is generally computed using the straight-line method over estimated useful lives of three to eight years.

Business Combinations

The Company applies the provisions of ASC 805, Business Combinations, in the accounting for its acquisitions. It requires the Company to recognize separately from goodwill the assets acquired and the liabilities assumed at their acquisition date fair values. Goodwill as of the acquisition date is measured as the excess of consideration transferred and the net of the acquisition date fair values of the assets acquired and the liabilities assumed. While the Company uses its best estimates and assumptions to accurately value assets acquired and liabilities assumed at the acquisition date, its estimates are inherently uncertain and subject to refinement. As a result, during the measurement period, which may be up to one year from the acquisition date, it records adjustments to the assets acquired and liabilities assumed with the corresponding offset to goodwill. Upon the conclusion of the measurement period or final determination of the values of assets acquired or liabilities assumed, whichever comes first, any subsequent adjustments are recorded to our consolidated statements of operations.

Critical estimates in valuing certain intangible assets include but are not limited to future expected cash flows from customer relationships, covenants not to compete and acquired developed technologies, brand awareness and market position, as well as assumptions about the period of time the brand will continue to be used in our product portfolio, and discount rates. Management’s estimates of fair value are based upon assumptions believed to be reasonable, but which are inherently uncertain and unpredictable and, as a result, actual results may differ from estimates.

Other estimates associated with the accounting for acquisitions may change as additional information becomes available regarding the assets acquired and liabilities assumed.

Fair Value

ASC 820, Fair Value Measurements and Disclosures, (“ASC 820”) defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. ASC 820 establishes a fair value hierarchy for valuation inputs that gives the highest priority to quoted prices in active markets for identical assets or liabilities and the lowest priority to unobservable inputs. The fair value hierarchy is as follows:

•Level 1 Inputs – Unadjusted quoted prices in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date.

•Level 2 Inputs – Inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. These might include quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability (such as interest rates, volatilities, prepayment speeds, credit risks, etc.) or inputs that are derived principally from or corroborated by market data by correlation or other means.

•Level 3 Inputs – Unobservable inputs for determining the fair values of assets or liabilities that reflect an entity’s own assumptions about the assumptions that market participants would use in pricing the assets or liabilities.

The fair value of the Company’s Credit Agreement approximates the carrying value due to the floating interest rate (Level 2 of the fair value hierarchy). The Company measures the fair value of its Senior Notes based on Level 2 inputs, which include quoted market prices and interest rate spreads of similar securities. The fair value of the Company’s 5.750% Senior Notes due 2026 (“2026 Notes”) was $424.5 million and $432.0 million as of December 31, 2020 and 2019, respectively.

The fair values of cash and cash equivalents approximate the carrying values due to the short period of time to maturity (Level 2 of the fair value hierarchy).

Goodwill and Other Intangibles

In accordance with ASC 350, Intangibles – Goodwill and Other, the Company assesses goodwill for impairment annually during the fourth quarter of its fiscal year using October 1 balances or when there is evidence that events or changes in circumstances indicate that the carrying amount of the asset may not be recovered. The Company evaluates goodwill at the reporting unit level using the discounted cash flow valuation model and allocates goodwill to these reporting units using a relative fair value approach. During this assessment, management relies on a number of factors, including operating results, business plans, and anticipated future cash flows. The Company has identified its reportable segments, ACI On Demand and ACI On Premise, as the reporting units.

The key assumptions used in the discounted cash flow valuation model include discount rates, growth rates, cash flow projections and terminal value rates. Discount rates, growth rates, and cash flow projections are the most sensitive and susceptible to change, as they require significant management judgment. Discount rates are determined by using a weighted average cost of capital (“WACC”). The WACC considers market and industry data as well as company-specific risk factors. Operational management, considering industry and company-specific historical and projected data, develops growth rates and cash flow projections for each reporting unit. Terminal value rate determination follows common methodology of capturing the present value of perpetual cash flow estimates beyond the last projected period, assuming a constant WACC and low, long-term growth rates. If the recoverability test indicates potential impairment, the Company calculates an implied fair value of goodwill for the reporting unit. The implied fair value of goodwill is determined in a manner similar to how goodwill is calculated in a business combination. If the implied fair value of goodwill exceeds the carrying value of goodwill assigned to the reporting unit, there is no impairment. If the carrying value of goodwill assigned to the reporting unit exceeds the implied fair value of the goodwill, an impairment charge is recorded to write down the carrying value. The calculated fair value substantially exceeded the current carrying value for all reporting units for all periods.

Changes in the carrying amount of goodwill attributable to each reporting unit during the year ended December 31, 2020, were as follows (in thousands):


	ACI On Demand		ACI On Premise		Total
Gross Balance, prior to December 31, 2018	$	183,783	$	773,340	$	957,123
Total impairment prior to December 31, 2018	—		(47,432)		(47,432)
Balance, December 31, 2018	183,783		725,908		909,691
Goodwill from acquisitions (1)	370,834		—		370,834
Balance, December 31, 2019	554,617		725,908		1,280,525
Goodwill from acquisitions (1)	(299)		—		(299)
Balance, December 31, 2020	$	554,318	$	725,908	$	1,280,226

(1) Goodwill from acquisitions relates to the goodwill recorded, as well as adjustments, for the acquisitions of E Commerce Group Products, Inc. ("ECG"), along with ECG's subsidiary, Speedpay, Inc. (collectively referred to as "Speedpay"), and Walletron, Inc. ("Walletron"), as discussed in Note 3, Acquisition.

Other intangible assets, which include customer relationships and trademarks and trade names, are amortized using the straight-line method over periods ranging from four to 20 years. The Company reviews its other intangible assets for impairment whenever events or changes in circumstances indicate that the carrying amount may not be recoverable.

Equity Method Investment

On July 23, 2019, the Company invested $18.3 million for a 30% non-controlling financial interest in a payment technology and services company in India. The Company accounted for this investment using the equity method in accordance with ASC 323, Investments - Equity Method and Joint Ventures. The Company records its share of earnings and losses in the investment on a one-quarter lag basis. Accordingly, the Company recorded an investment of $19.3 million and $18.5 million, which is included in other noncurrent assets in the consolidated balance sheet as of December 31, 2020 and 2019, respectively.

Name Change

Effective January 1, 2020, Official Payments Corporation, a wholly owned subsidiary, changed its name to ACI Payments, Inc. An amended and restated certificate of incorporation was filed with the state of Delaware to reflect the change. The Official Payments Corporation name and corresponding trade name may continue to be used until all stationary and marketing materials are transitioned to ACI Payments, Inc. equivalents.

Impairment of Long-Lived Assets

The Company reviews its long-lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of a long-lived asset group may not be recoverable. An impairment loss is recorded if the sum of the future cash flows expected to result from the use of the asset (undiscounted and without interest charges) is less than the carrying amount of the asset. The amount of the impairment charge is measured based upon the fair value of the asset group.

Treasury Stock

The Company accounts for shares of its common stock that are repurchased without intent to retire as treasury stock. Such shares are recorded at cost and reflected separately on the consolidated balance sheets as a reduction of stockholders’ equity. The Company issues shares of treasury stock upon exercise of stock options, issuance of restricted share awards and restricted share units, payment of earned performance shares, and for issuances of common stock pursuant to the Company’s employee stock purchase plan. For purposes of determining the cost of the treasury shares re-issued, the Company uses the average cost method.

Stock-Based Compensation Plans

In accordance with ASC 718, Compensation – Stock Compensation, ("ASC 718") the Company recognizes stock-based compensation expense for awards that are probable of vesting on a straight-line basis over the requisite service period of the award, which is generally the vesting term. Stock-based compensation expense is recorded in operating expenses depending on where the respective individual’s compensation is recorded. The Company generally utilizes the Black-Scholes option-pricing model to determine the fair value of stock options on the date of grant. To determine the grant date fair value of the supplemental stock options and total shareholder return awards (“TSRs”), a Monte Carlo simulation model was used. The assumptions utilized in the Black-Scholes option-pricing and Monte Carlo simulation models, as well as the description of the plans the stock-based awards are granted under, are described in further detail in Note 6, Stock-Based Compensation Plans.

Translation of Foreign Currencies

The Company’s foreign subsidiaries typically use the local currency of the countries in which they are located as their functional currency. Their assets and liabilities are translated into U.S. dollars at the exchange rates in effect at the balance sheet date. Revenues and expenses are translated at the average exchange rates during the period. Translation gains and losses are reflected in the consolidated financial statements as a component of accumulated other comprehensive income (loss). Transaction gains and losses, including those related to intercompany accounts, that are not considered to be of a long-term investment nature are included in the determination of net income. Transaction gains and losses, including those related to intercompany accounts, that are considered to be of a long-term investment nature are reflected in the consolidated financial statements as a component of accumulated other comprehensive income (loss).

Income Taxes

The provision for income taxes is computed using the asset and liability method, under which deferred tax assets and liabilities are recognized for the expected future tax consequences of temporary differences between the financial reporting and tax bases of assets and liabilities. Deferred tax assets are reduced by a valuation allowance when it is more likely than not that some portion or all of the deferred tax assets will not be realized.

The Company periodically assesses its tax exposures and establishes, or adjusts, estimated unrecognized tax benefits for probable assessments by taxing authorities, including the Internal Revenue Service, and various foreign and state authorities. Such unrecognized tax benefits represent the estimated provision for income taxes expected to ultimately be paid.

New Accounting Standards Recently Adopted

In February 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2016-02, Leases (codified as “ASC 842”). ASC 842 requires lessees to recognize right-of-use (“ROU”) assets and lease liabilities on the balance sheet for all leases unless, as a policy election, a lessee elects not to apply ASC 842 to short-term leases. In addition, this standard requires both lessees and lessors to disclose certain key information about lease transactions. The Company adopted ASC 842 on January 1, 2019 (the effective date) using the optional transition method to not apply the new lease standard in the comparative periods presented and elected the "practical expedient package", which permits the Company to not reassess prior conclusions about lease identification, lease classification, and initial direct costs. ASC 842 also provides practical expedients for the Company’s ongoing accounting, including the combination of lease and non-lease components into a single lease component, which the Company has elected to apply to its leases. As of January 1, 2019, the Company recognized ROU assets and operating lease liabilities of $63.3 million and $68.6 million, respectively. Refer to Note 12, Leases, for further details.

In June 2016, the FASB issued ASU 2016-13, Financial Instruments – Credit Losses: Measurement of Credit Losses on Financial Instruments, codified as ASC 326. Subsequent amendments to the guidance were issued as follows: ASU 2018-19 in November 2018; ASU 2019-04 in April 2019; ASU 2019-05 in May 2019; ASU's 2019-10 and 2019-11 in November 2019; and ASU 2020-02 in February 2020. This ASU provides financial statement users with more decision-useful information about the expected credit losses on financial instruments and other commitments to extend credit held by a reporting entity at each reporting date. The amendments in ASU 2016-13 replace the incurred loss impairment methodology in current U.S. GAAP with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information to inform credit loss estimates. The Company is required to use a forward-looking expected credit loss model for billed and accrued receivables. The Company adopted ASU 2016-13 as of January 1, 2020. The adoption of ASU 2016-13 did not have a material impact on the consolidated financial statements.

In February 2020, the FASB issued ASU 2020-03, Codification Improvements to Financial Instruments, which clarifies or improves various financial instruments topics in the accounting standards codification to increase stakeholder awareness. ASU 2020-03 was effective upon issuance and did not have a material impact on the consolidated financial statements.

In March 2020, the FASB issued ASU 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting. The update provides optional guidance for a limited period of time to ease potential accounting impacts associated with transitioning away from reference rates that are expected to be discontinued, such as the London Interbank Offered Rate (“LIBOR”). This guidance includes optional expedients and exceptions for applying U.S. GAAP to transactions affected by reference rate reform if certain criteria are met. ASU 2020-04 is effective for all entities as of March 12, 2020, through December 31, 2022, when the reference rate replacement activity is expected to be completed. In January 2021, the FASB issued ASU 2021-01, Reference Rate Reform - Scope, which clarified the scope and application of the original guidance. The adoption of ASU 2020-04 did not have an impact on the Company's consolidated financial statements.

Recently Issued Accounting Standards Not Yet Effective

In December 2019, the FASB issued ASU 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes, as part of its initiative to reduce complexity in accounting standards. The amendments in this update simplify the accounting for income taxes by removing certain exceptions within ASC 740, as well as clarify and simplify other aspects of the accounting for income taxes to promote consistency among reporting entities. ASU 2019-12 is effective for annual and interim periods beginning after December 15, 2020. The adoption of ASU 2019-12 will not have a material impact on the Company's consolidated financial statements.

In October 2020, the FASB issued ASU 2020-10, Codification Improvements, which improves the consistency of the codification by including all disclosure related guidance in the appropriate disclosure sections and clarifies application of various provisions in the codification by amending and adding new headings, cross referencing to other guidance, and refining or correcting terminology. ASU 2020-10 is effective for annual periods after December 15, 2020, and early application is permitted for any annual or interim period for which financial statements have not been issued. The adoption of ASU 2020-10 will not have a material impact on the Company's consolidated financial statements.

Revenue

12 Months Ended

Dec. 31, 2020

Revenue from Contract with Customer [Abstract]

Revenue

Revenue Recognition

In accordance with ASC 606, Revenue From Contracts With Customers, revenue is recognized upon transfer of control of promised products and/or services to customers in an amount that reflects the consideration the Company expects to be entitled to in exchange for those products and services. Revenue is recognized net of any taxes collected from customers and subsequently remitted to governmental authorities.

Contract Combination. The Company may execute more than one contract or agreement with a single customer at or near the same time. The separate contracts or agreements may be viewed as one combined arrangement or separate agreements for revenue recognition purposes. In order to reach appropriate conclusions regarding whether such agreements should be combined, the Company evaluates whether the agreements were negotiated as a package with a single commercial objective, whether the amount of consideration to be paid in one agreement depends on the price and/or performance of another agreement, or whether the product(s) or services promised in the agreements represent a single performance obligation. The conclusions reached can impact the allocation of the transaction price to each performance obligation and the timing of revenue recognition related to those arrangements.

Software as a Service (“SaaS”) and Platform as a Service (“PaaS”) Arrangements. The Company’s SaaS-based and PaaS-based arrangements, including implementation, support and other services, represent a single promise to provide continuous access (i.e. a stand-ready performance obligation) to its software solutions and their processing capabilities in the form of a service through one of the Company’s data centers. As each day of providing access to the software solution(s) is substantially the same and the customer simultaneously receives and consumes the benefits as access is provided, the Company’s single promise under its SaaS-based and PaaS-based arrangements is comprised of a series of distinct service periods. The Company’s SaaS-based and PaaS-based arrangements may include fixed consideration, variable consideration, or a combination of the two. Fixed consideration is recognized over the term of the arrangement or longer if the fixed consideration relates to a material right. A material right would be a separate performance obligation. The Company estimates the stand-alone selling price for a material right by reference to the services expected to be provided and the corresponding expected consideration. Variable consideration in these arrangements is typically a function of transaction volume or another usage-based measure. Depending upon the structure of a particular arrangement, the Company: (1) allocates the variable amount to each distinct service period within the series and recognizes revenue as each distinct service period is performed, (2) estimates total variable consideration at contract inception (giving consideration to any constraints that may apply and updating the estimates as new information becomes available) and recognizes the total transaction price over the period to which it relates, or (3) applies the ‘right to invoice’ practical expedient and recognizes revenue based on the amount invoiced to the customer during the period.

License Arrangements. The Company’s software license arrangements provide the customer with the right to use functional intellectual property (as it exists at the point in time at which the license is granted) for the duration of the contract term. Implementation, support, and other services are typically considered distinct performance obligations when sold with a software license.

Payment terms for the Company’s software license arrangements generally include fixed license and capacity fees that are payable up front or over time. These arrangements may also include incremental usage-based fees that are payable when the customer exceeds its contracted license capacity limits. The Company accounts for capacity overages as a usage-based royalty that is recognized when the usage occurs.

When a software license arrangement contains payment terms that are extended beyond one year, a significant financing component may exist. The significant financing component is calculated as the difference between the stated value and present value of the software license fees and is recognized as interest income over the extended payment period. The total fixed software license fee net of the significant financing component is recognized as revenue at the point in time when the software is transferred to the customer.

For those software license arrangements that include customer-specific acceptance provisions, such provisions are generally presumed to be substantive and the Company does not recognize revenue until the earlier of the receipt of a written customer acceptance, objective demonstration that the delivered product meets the customer-specific acceptance criteria, or the expiration of the acceptance period. The Company recognizes revenues on such arrangements upon the earlier of receipt of written acceptance or the first production use of the software by the customer.

For software license arrangements in which the Company acts as a distributor of another company’s product, and in certain circumstances, modifies or enhances the product, revenues are recorded on a gross basis. These include arrangements in which the Company takes control of the products and is responsible for providing the product or service. For software license

arrangements in which the Company acts as a sales agent for another company’s product, revenues are recorded on a net basis. These include arrangements in which the Company does not take control of products and is not responsible for providing the product or service.

For software license arrangements in which the Company utilizes a third-party distributor or sales agent, the Company recognizes revenue upon transfer of control of the software license(s) to the third-party distributor or sales agent.

The Company’s software license arrangements typically provide the customer with a standard 90-day assurance-type warranty. These warranties do not represent an additional performance obligation as services beyond assuring that the software license complies with agreed-upon specifications are not provided.

Software license arrangements typically include an initial post contract customer support (maintenance or “PCS”) term of one year with subsequent renewals for additional years within the initial license period. The Company’s promise to those customers who elect to purchase PCS represents a stand-ready performance obligation that is distinct from the license performance obligation and recognized over the PCS term.

The Company also provides various professional services to customers with software licenses. These include project management, software implementation, and software modification services. Revenues from arrangements to provide professional services are generally distinct from the other promises in the contract(s) and are recognized as the related services are performed. Consideration received under these arrangements is either fixed fee or on a time-and-materials basis, which represents variable consideration that must be estimated using the most likely amount based on the range of hours expected to be incurred in providing the services.

The Company estimates the stand-alone selling price (“SSP”) for maintenance and professional services based on observable stand-alone sales. The Company applies the residual approach to estimate the SSP for software licenses.

Refer to Note 10, Segment Information, for further details, including disaggregation of revenue based on primary solution category and geographic location.

Significant Judgments

The Company applies judgment in determining the customer’s ability and intention to pay, which is based on a variety of factors including the customer’s historical payment experience or, in the case of a new customer, published credit and financial information.

The Company also applies judgment in determining the term of an arrangement when early termination rights are provided to the customer.

The Company’s software license arrangements with its customers often include multiple promises to transfer licensed software products and services. Determining whether the products and/or services are distinct performance obligations that should be accounted for separately may require significant judgment.

The Company’s SaaS and PaaS arrangements may include variable consideration in the form of usage-based fees. If the arrangement that includes variable consideration in the form of usage-based fees does not meet the allocation exception for variable consideration, the Company estimates the amount of variable consideration at the outset of the arrangement using either the expected value or most likely amount method, depending on the specifics of each arrangement. These estimates are constrained to the extent that it is probable that a significant reversal of incremental revenue will not occur and are updated each reporting period as additional information becomes available.

Judgment is used in determining: (1) whether the financing component in a software license agreement is significant and, if so, (2) the discount rate used in calculating the significant financing component. The Company assesses the significance of the financing component based on the ratio of license fees paid over time to total license fees. If determined to be significant, the financing component is calculated using a rate that discounts the license fees to the cash selling price.

Judgment is also used in assessing whether the extension of payment terms in a software license arrangement results in variable consideration and, if so, the amount to be included in the transaction price. The Company applies the portfolio approach to estimate the amount of variable consideration in these arrangements using the most likely amount method that is based on the Company’s historical collection experience under similar arrangements.

Significant judgment is required to determine the SSP for each performance obligation, the amount allocated to each performance obligation and whether it depicts the amount that the Company expects to be entitled to in exchange for the related product and/or service. As the selling prices of the Company’s software licenses are highly variable, the Company estimates SSP of its software licenses using the residual approach when the software license is sold with other services and observable SSPs exist for the other services. The Company uses a range of amounts to estimate SSP for maintenance and services. These ranges are based on stand-alone sales and vary based on the type of service and geographic region. If the SSP of a performance obligation is not directly observable, the Company will maximize observable inputs to determine its SSP.

Contract Balances

Timing of revenue recognition may differ from the timing of invoicing to customers. The Company records an accrued receivable when revenue is recognized prior to invoicing and the Company’s right to consideration only requires the passage of time, or deferred revenue when revenue is recognized subsequent to invoicing.

Total receivables represent amounts billed and amounts earned that are to be billed in the future (i.e., accrued receivables). Included in accrued receivables are services and SaaS and PaaS revenues earned in the current period but billed in the following period and amounts due under multi-year software license arrangements with extended payment terms for which the Company has an unconditional right to invoice and receive payment subsequent to invoicing.

Total receivables, net is comprised of the following (in thousands):


	December 31,
	2020		2019
Billed receivables	$	179,177	$	213,654
Allowance for doubtful accounts	(3,912)		(5,149)
Billed receivables, net	175,265		208,505
Current accrued receivables, net	167,614		150,692
Long-term accrued receivables, net	215,772		213,041
Total accrued receivables, net	383,386		363,733
Total receivables, net	$	558,651	$	572,238

No customer accounted for more than 10% of the Company’s consolidated receivables balance as of December 31, 2020 and 2019.

The Company maintains an allowance for doubtful accounts for expected future credit losses that is calculated based on historical experience, current economic trends, and expectations of near term economic trends. The Company regularly monitors its credit risk exposures in consolidated receivables.

The following reflects activity in the Company’s allowance for doubtful accounts receivable for the periods indicated (in thousands):


	Years Ended December 31,
	2020		2019		2018
Balance, beginning of period	$	(5,149)	$	(3,912)	$	(4,799)
Provision (increase) decrease	374		(2,561)		(1,505)
Amounts written off, net of recoveries	941		1,368		2,269
Foreign currency translation adjustments and other	(78)		(44)		123
Balance, end of period	$	(3,912)	$	(5,149)	$	(3,912)

Provision (increases) decreases recorded in general and administrative expense during the years ended December 31, 2020, December 31, 2019, and 2018, reflect (increases) decreases in the allowance for doubtful accounts based upon collection experience, net of collection of customer-specific receivables that were previously reserved for as doubtful of collection.

Deferred revenue includes amounts due or received from customers for software licenses, maintenance, services, and/or SaaS and PaaS services in advance of recording the related revenue.

Changes in deferred revenue were as follows (in thousands):


Balance, December 31, 2018	$	156,135
Deferral of revenue	149,253
Recognition of deferred revenue	(187,069)
Foreign currency translation	620
Balance, December 31, 2019	118,939
Deferral of revenue	149,363
Recognition of deferred revenue	(141,313)
Foreign currency translation	2,424
Balance, December 31, 2020	$	129,413

Revenue allocated to remaining performance obligations represents contracted revenue that will be recognized in future periods, which is comprised of deferred revenue and amounts that will be invoiced and recognized as revenue in future periods. This does not include:

•Revenue that will be recognized in future periods from capacity overages that are accounted for as a usage-based royalty.

•SaaS and PaaS revenue from variable consideration that will be recognized in accordance with the ‘right to invoice’ practical expedient or meets the allocation objective.

Revenue allocated to remaining performance obligations was $846.9 million as of December 31, 2020, of which the Company expects to recognize approximately 50% over the next 12 months and the remainder thereafter.

During the year ended December 31, 2020, the revenue recognized by the Company from performance obligations satisfied in previous periods was $39.3 million.

Costs to Obtain and Fulfill a Contract

The Company accounts for costs to obtain and fulfill its contracts in accordance with ASC 340-40.

The Company capitalizes certain of its sales commissions that meet the definition of incremental costs of obtaining a contract and for which the amortization period is greater than one year. The costs associated with those sales commissions are capitalized during the period in which the Company becomes obligated to pay the commissions and are amortized over the period in which the related products or services are transferred to the customer. As of December 31, 2020 and 2019, $1.3 million and $0.5 million of these costs are included in other current assets, respectively, and $6.2 million and $6.9 million of these costs are included in other noncurrent assets, respectively, on the consolidated balance sheets. During the years ended December 31, 2020 and 2019, the Company recognized $4.7 million and $6.6 million of sales commission expense, respectively, related to the amortization of these costs, which is included in selling and marketing expense on the consolidated statements of operations.

The Company capitalizes costs incurred to fulfill its contracts that: (1) relate directly to the arrangement, (2) are expected to generate resources that will be used to satisfy the Company’s performance obligation under the arrangement, and (3) are expected to be recovered through revenue generated under the arrangement. Contract fulfillment costs are expensed as the Company transfers the related services to the customer. As of December 31, 2020 and December 31, 2019, less than $0.1 million and $0.2 million of these costs are included in other current assets, and $9.5 million and $10.2 million of these costs are included in other noncurrent assets, respectively, on the consolidated balance sheets. The amounts capitalized primarily relate to direct costs that enhance resources under the Company’s SaaS and PaaS arrangements. During the years ended December 31, 2020 and 2019, the Company recognized $4.4 million and $5.9 million of expense, respectively, related to the amortization of these costs, which is included in cost of revenue on the consolidated statements of operations.

The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
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Goodwill and Intangible Assets Disclosure [Abstract]

Acquisition

12 Months Ended

Dec. 31, 2020

Business Combinations [Abstract]

Acquisition

Speedpay

On May 9, 2019, the Company acquired Speedpay, a subsidiary of The Western Union Company (“Western Union”), for $754.1 million in cash, including working capital adjustments, pursuant to a Stock Purchase Agreement, among the Company, Western Union, and ACI Worldwide Corp., a wholly owned subsidiary of the Company. The Company has included the financial results of Speedpay in the consolidated financial statements from the date of acquisition. The combination of the Company and Speedpay bill pay solutions serves more than 4,000 customers across the United States, bringing expanded reach in existing and complementary market segments such as consumer finance, insurance, healthcare, higher education, utilities, government, and mortgage. The acquisition of Speedpay increased the scale of the Company’s On Demand platform business and allows the acceleration of platform innovation through increased research and development and investment in ACI's On Demand platform infrastructure.

To fund the acquisition, the Company amended its existing Credit Agreement, dated February 24, 2017, for an additional $500.0 million senior secured term loan (“Delayed Draw Term Loan”), in addition to drawing $250.0 million on the available Revolving Credit Facility. See Note 4, Debt, for terms of the Credit Agreement. The remaining acquisition consideration was funded with cash on hand.

The Company expensed approximately $22.2 million of costs related to the acquisition of Speedpay for the year ended December 31, 2019. These costs, which consist primarily of investment bank, consulting, and legal fees, are included in general and administrative expenses in the accompanying consolidated statements of operations.

Speedpay contributed approximately $329.2 million in total revenue the year ended December 31, 2020. Due to integration activities, the Company is no longer able to separately identify the contribution to operating income generated from the acquisition of Speedpay for the year ended December 31, 2020.

Speedpay contributed approximately $227.7 million in total revenue and $24.9 million in total operating income for the year ended December 31, 2019.

In connection with the acquisition, the Company recorded the following amounts based upon its purchase price allocation as of December 31, 2020 (in thousands, except weighted average useful lives):


	Amount		Weighted Average Useful Lives
Current assets:
Cash and cash equivalents	$	135
Receivables, net of allowances	17,658
Settlement assets	239,604
Prepaid expenses	317
Other current assets	19,585
Total current assets acquired	277,299
Noncurrent assets:
Goodwill	366,508
Software	113,600		7 years
Customer relationships	208,500		15 years
Trade names	10,900		5 years
Other noncurrent assets	3,745
Total assets acquired	980,552
Current liabilities:
Accounts payable	6,623
Settlement liabilities	212,892
Employee compensation	1,959
Other current liabilities	3,802
Total current liabilities acquired	225,276
Noncurrent liabilities:
Other noncurrent liabilities	1,219
Total liabilities acquired	226,495
Net assets acquired	$	754,057

During the year ended December 31, 2020, the Company made adjustments to the preliminary purchase price allocation as additional information became available for accounts payable. These adjustments and any resulting adjustments to the statements of operations were not material to the Company’s previously reported operating results or financial position. The Company's review of the purchase price allocation has been completed.

Factors contributing to the purchase price that resulted in the goodwill (which is tax deductible) include the acquisition of management, sales, and technology personnel with the skills to market new and existing products of the Company, enhanced product capabilities, complementary products, and customers.

Unaudited Pro Forma Financial Information

The pro forma financial information in the table below presents the combined results of operations for ACI and Speedpay as if the acquisition had occurred January 1, 2018. The pro forma information is shown for illustrative purposes only and is not necessarily indicative of future results of operations of the Company or results of operations of the Company that would have actually occurred had the transaction been in effect for the periods presented. This pro forma information is not intended to represent or be indicative of actual results had the acquisition occurred as of the beginning of each period, and does not reflect potential synergies, integration costs, or other such costs or savings.

Certain pro forma adjustments have been made to net income for the years ended December 31, 2019 and 2018, to give effect to estimated adjustments that remove the amortization expense on eliminated Speedpay historical identifiable intangible assets, add amortization expense for the value of acquired identified intangible assets (primarily acquired software, customer relationships, and trademarks), and add estimated interest expense on the Company’s additional Delayed Draw Term Loan and Revolving Credit Facility borrowings. Additionally, certain transaction expenses that are a direct result of the acquisition have been excluded. The year ended December 31, 2020, is not presented, as Speedpay is included in the Company's consolidated results for the entire period.

The following is the unaudited summarized pro forma financial information for the periods presented (in thousands, except per share data):


	Years Ended December 31,
	2019		2018
Pro forma revenue	$	1,382,957	$	1,361,729
Pro forma net income	$	82,003	$	88,428
Pro forma income per share:
Basic	$	0.71	$	0.76
Diluted	$	0.69	$	0.75

Walletron

On May 9, 2019, the Company also completed the acquisition of Walletron, which delivers patented mobile wallet technology. The Company has included the financial results of Walletron in the consolidated financial statements from the date of acquisition, which were not material.

RevChip and TranSend

On October 1, 2019, the Company acquired certain technology assets of RevChip, LLC ("RevChip") and TranSend Integrated Technologies Inc. ("TranSend") for a combined $7.0 million. As substantially all of the value was in the developed technology, the purchase was recognized as an asset acquisition. The Company has included the financial results of RevChip and TranSend in the consolidated financial statements from the date of acquisition, which were not material.

Debt

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Debt

As of December 31, 2020, the Company had $55.0 million, $717.1 million, and $400.0 million outstanding under its Revolving Credit Facility, Term Loan, and Senior Notes, respectively, with up to $443.5 million of unused borrowings under the Revolving Credit Facility portion of the Credit Agreement, as amended, and up to $1.5 million of unused borrowings under the Letter of Credit agreement. The amount of unused borrowings actually available varies in accordance with the terms of the agreement.

Credit Agreement

On April 5, 2019, the Company (and its wholly-owned subsidiaries, ACI Worldwide Corp. and ACI Payments, Inc. entered into the Second Amended and Restated Credit Agreement (the “Credit Agreement”), with the lenders, and Bank of America, N.A., as administrative agent for the lenders, to amend and restate the Company's existing agreement, as amended, dated February 24, 2017. The amended Credit Agreement permitted the Company to borrow up to $500.0 million in the form of an additional senior secured term loan; extended the revolver and the existing term loan maturity date from February 24, 2022, to April 5, 2024; increased the maximum consolidated senior secured net leverage ratio covenant from 3.50:1.00 to 3.75:1.00; and increased the maximum consolidated total net leverage ratio covenant from 4.25:1.00 to 5.00:1.00, with subsequent decreases occurring every three quarters thereafter for a specified period of time; among other things. In connection with amending the Credit Agreement, the Company incurred and paid debt issuance costs of $12.8 million during the year ended December 31, 2019.

The Credit Agreement consists of (a) a five-year $500.0 million senior secured revolving credit facility (the “Revolving Credit Facility”), which includes sublimits for (1) the issuance of standby letters of credit and (2) swingline loans, (b) a five-year $279.0 million senior secured term loan facility (the “Initial Term Loan”) and (c) a five-year $500.0 million Delayed Draw Term Loan (together with the Initial Term Loan, the "Term Loans", and together with the Initial Term Loan and the Revolving Credit Facility, the “Credit Facility”). The Credit Agreement also allows the Company to request optional incremental term loans and increases in the revolving commitment.

At the Company’s option, borrowings under the Credit Facility bear interest at an annual rate equal to either (a) a base rate determined by reference to the highest of (1) the annual interest rate publicly announced by the administrative agent as its Prime Rate, (2) the federal funds effective rate plus 1/2 of 1% or (3) a LIBOR rate determined by reference to the costs of funds for U.S. dollar deposits for a one-month interest period, adjusted for certain additional costs plus 1% or (b) a LIBOR rate determined by reference to the costs of funds for U.S. dollar deposits for the interest period relevant to such borrowings, adjusted for certain additional costs plus an applicable margin. Based on the calculation of the applicable consolidated total leverage ratio, the applicable margin for borrowings under the Credit Facility is between 0.25% to 1.25% with respect to base rate borrowings and between 1.25% and 2.25% with respect to LIBOR rate borrowings. Interest is due and payable monthly. The interest rate in effect for the Credit Facility as of December 31, 2020, was 2.15%.

The Company is also required to pay (a) a commitment fee related to the unutilized commitments under the Revolving Credit Facility, payable quarterly in arrears, (b) letter of credit fees on the maximum amount available to be drawn under all outstanding letters of credit in an amount equal to the applicable margin on LIBOR rate borrowings under the Revolving Credit Facility on an annual basis, payable quarterly in arrears, and (c) customary fronting fees for the issuance of letters of credit fees and agency fees.

The Company’s obligations under the Credit Facility and cash management arrangements entered into with lenders under the Credit Facility (or affiliates thereof) and the obligations of the subsidiary guarantors are secured by first-priority security interests in substantially all assets of the Company and any guarantor, including 100% of the capital stock of ACI Worldwide Corp. and each domestic subsidiary of the Company, each domestic subsidiary of any guarantor, and 65% of the voting capital stock of each foreign subsidiary of the Company that is directly owned by the Company or a guarantor, in each case subject to certain exclusions set forth in the credit documentation governing the Credit Facility. The collateral agreement of the Credit Agreement, as amended, released the lien on certain assets of ACI Payments, Inc., our electronic bill presentment and payment affiliate, to allow ACI Payments, Inc. to comply with certain eligible securities and unencumbered asset requirements related to money transmitter or transfer license rules and regulations.

The Credit Agreement contains a number of covenants that, among other things and subject to certain exceptions, restrict the Company’s and its subsidiaries' ability to: create, incur, assume or suffer to exist any additional indebtedness; create, incur, assume or suffer to exist any liens; enter into agreements and other arrangements that include negative pledge clauses; pay dividends on capital stock or redeem, repurchase or retire capital stock or subordinated indebtedness; create restrictions on the payment of dividends or other distributions by subsidiaries; make investments, loans, advances and acquisitions; merge, consolidate or enter into any similar combination or sell assets, including equity interests of the subsidiaries; enter into sale and leaseback transactions; directly or indirectly engage in transactions with affiliates; alter in any material respect the character or conduct of the business; enter into amendments of or waivers under subordinated indebtedness, organizational documents and certain other material agreements; and hold certain assets and incur certain liabilities.

Letter of Credit

On August 12, 2020, the Company and ACI Payments, Inc. entered into a standby letter of credit (the “Letter of Credit”), under the terms of the Credit Agreement, for $1.5 million. The Letter of Credit expires on July 31, 2021, with automatic renewals for twelve month periods thereafter. The Letter of Credit reduces the maximum available borrowings under the Revolving Credit Facility to $498.5 million. Upon expiration of the Letter of Credit, maximum borrowings will return to $500.0 million.

Expected Discontinuation of LIBOR

In July 2017, the United Kingdom’s Financial Conduct Authority, which regulates LIBOR, announced it will no longer compel banks to submit rates for the calculation of LIBOR after 2021. The Alternative Reference Rates Committee has proposed the Secured Overnight Financing Rate ("SOFR") as its recommended alternative to LIBOR, and the first publication of SOFR rates was released in April 2018.

The Company is evaluating the potential impact of the transition from LIBOR as an interest rate benchmark to other potential alternative reference rates, including SOFR. The Company's Credit Agreement is currently indexed to LIBOR and the maturity date of the Credit Agreement extends beyond 2021. The Credit Agreement contemplates the discontinuation of LIBOR and provides options for the Company in such an event. The Company will continue to actively assess the related opportunities and risks involved in this transition.

Senior Notes

On August 21, 2018, the Company completed a $400.0 million offering of the 2026 Notes at an issue price of 100% of the principal amount in a private placement for resale to qualified institutional buyers. The 2026 Notes bear interest at an annual rate of 5.750%, payable semi-annually in arrears on February 15 and August 15 of each year, which commenced on February 15, 2019. Interest accrued from August 21, 2018. The 2026 Notes will mature on August 15, 2026. In connection with the issuance of the 2026 Notes, the Company incurred and paid debt issuance costs of $7.3 million for the year ended December 31, 2018.

The Company used the net proceeds of the offering described above to redeem, in full, the Company’s outstanding 6.375% Senior Notes due 2020, including accrued interest, and repaid a portion of the outstanding amount under the Term Credit Facility.

Maturities on debt outstanding at December 31, 2020, are as follows (in thousands):


Fiscal Year Ending December 31,
2021	$	38,950
2022	50,431
2023	69,906
2024	612,823
2025	—
Thereafter	400,000
Total	$	1,172,110

The Revolving Credit Facility and 2026 Notes do not amortize. The Term Loans do amortize, with principal payable in consecutive quarterly installments.

The Credit Agreement and 2026 Notes contain certain customary affirmative covenants and negative covenants that limit or restrict, subject to certain exceptions, the incurrence of liens, indebtedness of subsidiaries, mergers, advances, investments, acquisitions, transactions with affiliates, change in nature of business, and the sale of the assets. In addition, the Credit Agreement and 2026 Notes contain certain customary mandatory prepayment provisions. The Company is also required to maintain a consolidated leverage ratio at or below a specified amount and an interest coverage ratio at or above a specified amount. As specified in the Credit Agreement and 2026 Notes agreement, if certain events occur and continue, the Company may be required to repay all amounts outstanding under the Credit Facility and 2026 Notes. As of December 31, 2020, and at all times during the period, the Company was in compliance with its financial debt covenants.

Total debt is comprised of the following (in thousands):


	December 31,
	2020		2019
Term loans	$	717,110	$	756,060
Revolving credit facility	55,000		239,000
5.750% Senior Notes, due August 2026	400,000		400,000
Debt issuance costs	(17,103)		(21,905)
Total debt	1,155,007		1,373,155
Less: current portion of term loans	38,950		38,950
Less: current portion of debt issuance costs	(4,685)		(4,802)
Total long-term debt	$	1,120,742	$	1,339,007

Overdraft Facility

In 2019, the Company and ACI Payments, Inc. entered in to an uncommitted overdraft facility with Bank of America, N.A. The overdraft facility bears interest at LIBOR plus 2.25% based on the Company’s average outstanding balance and the frequency in which overdrafts occur. The overdraft facility acts as a secured loan under the terms of the Credit Agreement to provide an additional funding mechanism for timing differences that can occur in the bill payment settlement process. Amounts outstanding on the overdraft facility are included in other current liabilities in the consolidated balance sheet. As of December 31, 2020, there was $100.0 million available and no amount outstanding on the overdraft facility. As of December 31, 2019, there was $1.5 million outstanding on the overdraft facility.

Other

The Company finances certain multi-year license agreements for internal-use software. Upon execution, these arrangements are treated as a non-cash investing and financing activity for purposes of the consolidated statements of cash flows. During the year ended December 31, 2019, the Company financed agreements for $10.4 million with annual payments through April 2022. As of December 31, 2020, $7.8 million was outstanding under these and other license agreements previously entered into, of which $5.6 million and $2.2 million is included in other current liabilities and other noncurrent liabilities, respectively, in the consolidated balance sheet. As of December 31, 2019, $13.8 million was outstanding, of which $6.0 million and $7.8 million was included in other current liabilities and other noncurrent liabilities, respectively, in the consolidated balance sheet.

Software and Other Intangible Assets

12 Months Ended

Dec. 31, 2020

Software and Other Intangible Assets

The carrying amount and accumulated amortization of the Company's software assets subject to amortization at each balance sheet date are as follows (in thousands):


	December 31, 2020						December 31, 2019
	Gross Carrying Amount		Accumulated Amortization		Net Balance		Gross Carrying Amount		Accumulated Amortization		Net Balance
Software for resale	$	130,261	$	(123,418)	$	6,843	$	138,823	$	(122,061)	$	16,762
Software for internal use	430,330		(240,717)		189,613		400,065		(182,310)		217,755
Total software	$	560,591	$	(364,135)	$	196,456	$	538,888	$	(304,371)	$	234,517

Software for resale amortization expense recorded during the years ended December 31, 2020, 2019, and 2018, totaled $8.5 million, $11.0 million, and $12.8 million, respectively. These software amortization expense amounts are reflected in cost of revenue in the consolidated statements of operations.

Software for internal use amortization expense recorded during the years ended December 31, 2020, 2019, and 2018, totaled $70.0 million, $55.6 million, and $41.7 million, respectively. These software amortization expense amounts are reflected in depreciation and amortization in the consolidated statements of operations.

The carrying amount and accumulated amortization of the Company’s other intangible assets subject to amortization at each balance sheet date are as follows (in thousands):


	December 31, 2020						December 31, 2019
	Gross Carrying Amount		Accumulated Amortization		Net Balance		Gross Carrying Amount		Accumulated Amortization		Net Balance
Customer relationships	$	512,389	$	(197,787)	$	314,602	$	507,785	$	(160,775)	$	347,010
Trademarks and trade names	24,115		(16,734)		7,381		27,312		(17,353)		9,959
Total other intangible assets	$	536,504	$	(214,521)	$	321,983	$	535,097	$	(178,128)	$	356,969

Other intangible assets amortization expense recorded during the years ended December 31, 2020, 2019, and 2018, totaled $37.1 million, $31.9 million, and $19.0 million, respectively.

Based on capitalized intangible assets as of December 31, 2020, estimated amortization expense amounts in future fiscal years are as follows (in thousands):


Fiscal Year Ending December 31,	Software Amortization		Other Intangible Assets Amortization
2021	$	67,599	$	37,062
2022	50,179		36,903
2023	32,004		36,564
2024	20,608		32,044
2025	18,354		23,452
Thereafter	7,712		155,958
Total	$	196,456	$	321,983

Stock-Based Compensation Plans

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement [Abstract]

Stock-Based Compensation Plans

Employee Stock Purchase Plan

On April 6, 2017, the board approved the 2017 Employee Stock Purchase Plan (“2017 ESPP”), which was approved by shareholders at the 2017 Annual Shareholder meeting. The 2017 ESPP provides employees with an opportunity to purchase shares of the Company’s common stock. Under the Company’s 2017 ESPP, a total of 3,000,000 shares of the Company’s common stock have been reserved for issuance to eligible employees. Participating employees are permitted to designate up to the lesser of $25,000 or 10% of their annual base compensation for the purchase of common stock under the ESPP. Purchases under the ESPP are made one calendar month after the end of each fiscal quarter. The price for shares of common stock purchased under the ESPP is 85% of the stock’s fair market value on the last business day of the three-month participation period.

Additionally, the discount offered pursuant to the Company’s ESPP discussed above is 15%, which exceeds the 5% non-compensatory guideline in ASC 718 and exceeds the Company’s estimated cost of raising capital. Consequently, the entire 15% discount to employees is deemed to be compensatory for purposes of calculating expense using a fair value method. Compensation expense related to the ESPP for the years ended December 31, 2020, 2019, and 2018, was approximately $0.7 million, $0.6 million, and $0.5 million, respectively.

Stock Incentive Plans – Active Plans

2020 Equity and Incentive Compensation Plan

On June 9, 2020, upon recommendation of the board, stockholders approved the ACI Worldwide, Inc. 2020 Equity and Incentive Compensation Plan (the “2020 Plan”). The 2020 Plan authorizes the board to provide for equity-based compensation in the form of stock options, stock appreciation rights, restricted stock, restricted stock units, performance shares, performance units, dividend equivalents, and certain other awards, including those denominated or payable in, or otherwise based on, the Company’s common stock ("awards"). The purpose of the 2020 Plan is to provide incentives and rewards for service and/or performance by providing awards to non-employee directors, officers, other employees, and certain consultants and other service providers of the Company and its subsidiaries. Following the approval of the 2020 Plan, the 2016 Equity and Performance Incentive Plan (the “2016 Incentive Plan”) was terminated. Termination of the 2016 Incentive Plan did not affect any equity awards outstanding under the 2016 Incentive Plan.

Subject to adjustment and share counting rules as described in the 2020 Plan, a total of 6,658,754 shares of common stock are available for awards granted under the 2020 Plan. Shares underlying certain awards under the 2020 Plan, the Company’s 2005 Equity and Performance Incentive Plan (the "2005 Incentive Plan"), and the 2016 Incentive Plan (each including as amended or amended and restated) that are cancelled or forfeited, expire, are settled for cash, or are unearned after June 9, 2020, will again be available under the 2020 Plan.

The board generally will be able to amend the 2020 Plan, subject to stockholder approval in certain circumstances, as described in the 2020 Plan.

2016 Equity and Performance Incentive Plan

On March 23, 2016, the board approved the 2016 Incentive Plan. The 2016 Incentive Plan is intended to meet the Company’s objective of balancing stockholder concerns about dilution with the need to provide appropriate incentives to achieve Company performance objectives. The 2016 Incentive Plan was adopted by the stockholders on June 14, 2016. Following the adoption of the 2016 Incentive Plan, the 2005 Incentive Plan was terminated. Termination of the 2005 Incentive Plan did not affect any equity awards outstanding under the 2005 Incentive Plan.

The 2016 Incentive Plan provides for the grant of incentive stock options, nonqualified stock options, stock appreciation rights, restricted share and restricted share units, performance shares and performance units, and other awards (“awards”). Subject to adjustment in certain circumstances, the maximum number of shares of common stock that may be issued or transferred in connection with awards granted under the 2016 Incentive Plan will be the sum of (i) 8,000,000 shares of common stock and (ii) any shares of common stock that are represented by options previously granted under the 2005 Incentive Plan which are forfeited, expire, or are cancelled without delivery of common stock or which result in the forfeiture or relinquishment of common stock back to the Company. To the extent awards granted under the 2016 Incentive Plan terminate, expire, are cancelled without being exercised, are forfeited or lapse for any reason, the shares of common stock subject to such award will again become available for grants under the 2016 Incentive Plan.

The 2016 Incentive Plan expressly prohibits re-pricing stock options and appreciation rights. The 2016 Incentive Plan also, subject to certain limited exceptions, expressly requires a one-year vesting period for all stock options and appreciation rights.

No eligible person selected by the board to receive awards (“participant”) will receive stock options, stock appreciation rights, restricted share awards, restricted share units, and other awards under the 2016 Incentive Plan, during any calendar year, for more than 3,000,000 shares of common stock. In addition, no participant may receive performance shares or performance units having an aggregate value on the date of grant in excess of $9,000,000 during any calendar year. Each of the limits described above may be adjusted equitably to accommodate a change in the capital structure of the Company.

2005 Equity and Performance Incentive Plan

The Company had a 2005 Incentive Plan, as amended, under which shares of the Company’s common stock were reserved for issuance to eligible employees or non-employee directors of the Company. The 2005 Incentive Plan provided for the grant of incentive stock options, nonqualified stock options, stock appreciation rights, restricted stock awards, performance awards, and other awards. The maximum number of shares of the Company’s common stock that was issued or transferred in connection with awards granted under the 2005 Incentive Plan was the sum of (i) 23,250,000 shares and (ii) any shares represented by outstanding options that had been granted under designated terminated stock option plans that were subsequently forfeited, expired, or are cancelled without delivery of the Company’s common stock.

Stock Options

Stock options granted pursuant to the Company's incentive plans were granted at an exercise price not less than the market value per share of the Company’s common stock on the date of grant. The term of the outstanding options may not exceed ten years nor be less than one year. Vesting of options is determined by the compensation committee of the board and the administrator of the respective plan and can vary based upon the individual award agreements. In addition, outstanding options do not have dividend equivalent rights associated with them.

A summary of stock option activity is as follows:


	Number of Shares	Weighted Average Exercise Price ($)		Weighted Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value of In-the-Money Options ($)
Outstanding, December 31, 2019	4,006,816	$	18.18
Exercised	(1,756,471)	18.53
Forfeited	(57,744)	19.08
Expired	(6,090)	18.44
Outstanding, December 31, 2020	2,186,511	$	17.87	3.96	$	44,944,958
Exercisable, December 31, 2020	2,039,275	$	17.72	4.16	$	42,231,530

The weighted average grant date fair value of stock options granted during the year ended December 31, 2018, was $7.03. The Company did not grant stock options during the years ended December 31, 2020 and 2019. The total intrinsic value of stock options exercised during the years ended December 31, 2020, 2019, and 2018, was $19.5 million, $16.0 million, and $15.8 million, respectively.

The fair value of options granted during the year ended December 31, 2018, were estimated on the date of grant using the Black-Scholes option-pricing model, acceptable under ASC 718, with the following weighted average assumptions:


	Year Ended December 31, 2018
Expected life (years)	5.6
Risk-free interest rate	2.7	%
Expected volatility	26.4	%
Expected dividend yield	—

Expected volatilities are based on the Company’s historical common stock volatility, derived from historical stock price data for periods commensurate with the options’ expected life. The expected life of options granted represents the period of time options are expected to be outstanding, based primarily on historical employee option exercise behavior. The risk-free interest rate is based on the implied yield currently available on U.S. Treasury zero coupon bonds issued with a term equal to the expected life at the date of grant of the options. The expected dividend yield is zero, as the Company has historically paid no dividends and does not anticipate dividends to be paid in the future.

Long-term Incentive Program Performance Share Awards

During the year ended December 31, 2017, pursuant to the Company’s 2016 Incentive Plan, the Company granted long-term incentive program performance share awards (“LTIP performance shares”). These LTIP performance shares were earned based upon the achievement, over a specified period that must not be less than one year and is typically a three-year performance period, of performance goals related to (i) the compound annual growth over the performance period in the sales for the Company as determined by the Company, and (ii) the cumulative operating income or EBITDA over the performance period as determined by the Company. Up to 200% of the LTIP performance shares could be earned upon achievement of performance goals equal to or exceeding the maximum target levels for the performance goals over the performance period. On a quarterly basis, management evaluated the probability that the threshold performance goals would be achieved, if at all, and the anticipated level of attainment to determine the amount of compensation expense to record in the consolidated financial statements.

A summary of the nonvested LTIP performance shares is as follows:


	Number of Shares at Expected Attainment	Weighted Average Grant Date Fair Value
Nonvested at December 31, 2019	669,469	$	20.12
Vested	(668,240)	20.12
Forfeited	(5,368)	20.12
Change in expected attainment	4,139	20.12
Nonvested at December 31, 2020	—	$	—

During the year ended December 31, 2020, a total of 668,240 LTIPs vested. The Company withheld 165,237 of those shares to pay the employees' portion of the minimum payroll withholding taxes.

Restricted Share Awards

During the year ended December 31, 2017, pursuant to the Company’s 2016 Incentive Plan, the Company granted RSAs. The awards had requisite service periods of three years and vested in increments of 33% on the anniversary of the grant dates. Under each arrangement, shares were issued without direct cost to the employee. The Company estimated the fair value of the RSAs based upon the market price of the Company’s stock on the date of grant. The RSA grants provided for the payment of dividends on the Company’s common stock, if any, to the participant during the requisite service period, and the participant had

voting rights for each share of common stock. The Company recognized compensation expense for RSAs on a straight-line basis over the requisite service period.

A summary of nonvested RSAs is as follows:


	Number of Shares	Weighted Average Grant Date Fair Value
Nonvested at December 31, 2019	92,842	$	20.13
Vested	(88,913)	20.12
Forfeited	(3,929)	20.35
Nonvested at December 31, 2020	—	$	—

During the year ended December 31, 2020, a total of 88,913 RSAs vested. The Company withheld 28,233 of those shares to pay the employees’ portion of the minimum payroll withholding taxes.

Total Shareholder Return Awards

During the years ended December 31, 2020, 2019, and 2018, pursuant to the 2016 Incentive Plan, the Company granted total shareholder return awards (“TSRs”). TSRs are performance shares that are earned, if at all, based upon the Company’s total shareholder return as compared to a group of peer companies over a three-year performance period. The award payout can range from 0% to 200%. To determine the grant date fair value of the TSRs, a Monte Carlo simulation model is used. The Company recognizes compensation expense for the TSRs over a three-year performance period based on the grant date fair value.

A summary of nonvested TSRs is as follows:


	Number of Shares	Weighted Average Grant Date Fair Value
Nonvested as of December 31, 2019	1,062,291	$	35.77
Granted	677,195	30.01
Vested	(199,413)	24.37
Forfeited	(158,086)	36.69
Change in payout rate	(14,259)	24.37
Nonvested as of December 31, 2020	1,367,728	$	34.59

During the year ended December 31, 2020, a total of 199,413 TSRs awards granted in fiscal 2017 vested and achieved a payout rate of 93% based on the Company's total shareholder return as compared to a group of peer companies over a three-year performance period. The Company withheld 53,033 of those shares to pay the employees’ portion of the minimum payroll withholding taxes.

The fair value of TSRs granted during the years ended December 31, 2020, 2019, and 2018, were estimated on the date of grant using the Monte Carlo simulation model, acceptable under ASC 718, using the following weighted-average assumptions:


	Years Ended December 31,
	2020		2019		2018
Expected life (years)	2.8		2.8		2.9
Risk-free interest rate	0.5	%	2.5	%	2.4	%
Volatility	31.4	%	29.3	%	28.0	%
Expected dividend yield	—		—		—

Restricted Share Units

During the years ended December 31, 2020, 2019, and 2018, pursuant to the 2020 Plan and the 2016 Incentive Plan, the Company granted restricted share unit awards (“RSUs”). RSUs generally have requisite service periods of three years and vest in increments of 33% on the anniversary of the grant dates. RSUs granted to the board vest one year from grant or as of the next annual shareholders meeting, whichever is earlier. Under each arrangement, RSUs are issued without direct cost to the employee on the vesting date. The Company estimates the fair value of the RSUs based upon the market price of the Company’s stock on the date of grant. The Company recognizes compensation expense for RSUs on a straight-line basis over the requisite service period.

A summary of nonvested RSUs is as follows:


	Number of Shares	Weighted Average Grant Date Fair Value
Nonvested as of December 31, 2019	1,009,404	$	29.96
Granted	816,543	25.72
Vested	(431,504)	29.60
Forfeited	(276,261)	28.57
Nonvested as of December 31, 2020	1,118,182	$	27.34

During the year ended December 31, 2020, a total of 431,504 RSUs vested. The Company withheld 121,564 of those shares to pay the employees’ portion of the minimum payroll withholding taxes.

As of December 31, 2020, there was unrecognized compensation expense of $18.9 million related to RSUs, $17.6 million related to TSRs, and less than $0.1 million related to nonvested stock options, which the Company expects to recognize over weighted average periods of 1.8 years, 1.9 years, and 0.2 years, respectively.

The Company recorded stock-based compensation expense recognized under ASC 718 during the years ended December 31, 2020, 2019, and 2018, of $29.6 million, $36.8 million, and $20.4 million, respectively, with corresponding tax benefits of $5.4 million, $5.9 million, and $3.9 million, respectively. The Company recognizes compensation expense for stock option awards that vest with only service conditions on a straight-line basis over the requisite service period. The Company recognizes compensation expense for stock option awards that vest with service and market-based conditions on a straight-line basis over the longer of the requisite service period or the estimated period to meet the defined market-based condition.

Common Stock and Treasury Stock

12 Months Ended

Dec. 31, 2020

Equity [Abstract]

Common Stock and Treasury Stock

In 2005, the board approved a stock repurchase program authorizing the Company, as market and business conditions warrant, to acquire its common stock and periodically authorize additional funds for the program. In February 2018, the board approved the repurchase of the Company's common stock of up to $200.0 million, in place of the remaining purchase amounts previously authorized.

The Company repurchased 1,000,000 shares for $28.9 million under the program for the year ended December 31, 2020. Under the program to date, the Company has repurchased 46,357,495 shares for approximately $612.3 million. As of December 31, 2020, the maximum remaining amount authorized for purchase under the stock repurchase program was $112.1 million.

During the year ended September 30, 2006, the Company began to issue shares of treasury stock upon exercise of stock options, payment of earned performance shares (LTIP performance shares and TSRs), vesting of RSUs, and for issuances of common stock pursuant to the Company’s ESPP. Treasury shares issued by award type are as follows:


	Years Ended December 31,
	2020	2019	2018
Stock options	1,756,471	854,524	1,379,704
LTIP performance shares	668,240	—	—
TSRs	199,413	—	—
RSUs	431,504	259,634	10,000
ESPP	151,542	126,983	148,520
Total treasury shares issued	3,207,170	1,241,141	1,538,224

Earnings Per Share

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Earnings Per Share

Basic earnings per share is computed in accordance with ASC 260, Earnings per Share, based on weighted average outstanding common shares. Diluted earnings per share is computed based on basic weighted average outstanding common shares adjusted for the dilutive effect of stock options, RSUs, and certain contingently issuable shares for which performance targets have been achieved.

The following table reconciles the weighted average share amounts used to compute both basic and diluted earnings per share (in thousands):


	Years Ended December 31,
	2020	2019	2018
Weighted average shares outstanding:
Basic weighted average shares outstanding	116,397	116,175	116,057
Add: Dilutive effect of stock options, RSUs, and contingently issuable shares	1,682	2,396	1,575
Diluted weighted average shares outstanding	118,079	118,571	117,632

The diluted earnings per share computation excludes 1.5 million, 1.8 million, and 2.2 million options to purchase shares, RSUs, and contingently issuable shares during the years ended December 31, 2020, 2019, and 2018, respectively, as their effect would be anti-dilutive.

Common stock outstanding as of December 31, 2020 and 2019, was 117,112,185 and 115,986,352, respectively.

Other, Net	12 Months Ended
Other, Net	Dec. 31, 2020
Other Income and Expenses [Abstract]
Other, Net	Other, Net Other, net is primarily comprised of foreign currency transaction gains and losses. Other, net was $1.1 million of expense, $0.5 million of income, and $3.7 million of expense for the years ended December 31, 2020, 2019, and 2018, respectively.

Segment Information

12 Months Ended

Dec. 31, 2020

Segment Reporting [Abstract]

Segment Information

The Company reports financial performance based on its segments, ACI On Demand and ACI On Premise, and analyzes Segment Adjusted EBITDA as a measure of segment profitability.

The Company’s Chief Executive Officer is also the chief operating decision maker ("CODM"). The CODM, together with other senior management personnel, focus their review on consolidated financial information and the allocation of resources based on operating results, including revenues and Segment Adjusted EBITDA, for each segment, separate from corporate operations.

ACI On Demand serves the needs of banks, merchants, and billers who use payments to facilitate their core business. These on-demand solutions are maintained and delivered through the cloud via our global data centers and are available in either a single-tenant environment for SaaS offerings, or in a multi-tenant environment for PaaS offerings.

ACI On Premise serves customers who manage their software on site or through a third-party public cloud environment. These on-premise customers use the Company’s software to develop sophisticated solutions, which are often part of a larger system

located and managed at the customer specified site. These customers require a level of control and flexibility that ACI On Premise solutions can offer, and they have the resources and expertise to take a lead role in managing these solutions.

Revenue is attributed to the reportable segments based upon the product sold and mechanism for delivery to the customer. Expenses are attributed to the reportable segments in one of three methods, (1) direct costs of the segment, (2) labor costs that can be attributed based upon time tracking for individual products, or (3) costs that are allocated. Allocated costs are generally marketing and sales related activities as well as information technology and facilities related expense for which multiple segments benefit. The Company also allocates certain depreciation costs to the segments.

Segment Adjusted EBITDA is the measure reported to the CODM for purposes of making decisions on allocating resources and assessing the performance of the Company’s segments and, therefore, Segment Adjusted EBITDA is presented in conformity with ASC 280, Segment Reporting. Segment Adjusted EBITDA is defined as earnings (loss) from operations before interest, income tax expense (benefit), depreciation and amortization (“EBITDA”) adjusted to exclude stock-based compensation, and net other income (expense).

Corporate and unallocated expenses consist of the corporate overhead costs that are not allocated to reportable segments. These overhead costs relate to human resources, finance, legal, accounting, merger and acquisition activity, and other costs that are not considered when management evaluates segment performance.

The following is selected financial data for the Company’s reportable segments for the periods indicated (in thousands):


	Years Ended December 31,
	2020		2019		2018
Revenues
ACI On Demand	$	769,180	$	678,960	$	433,025
ACI On Premise	525,142		579,334		576,755
Total revenue	$	1,294,322	$	1,258,294	$	1,009,780
Segment Adjusted EBITDA
ACI On Demand	$	149,610	$	66,501	$	12,015
ACI On Premise	290,310		321,305		323,902
Depreciation and amortization	(140,316)		(122,569)		(97,350)
Stock-based compensation expense	(29,602)		(36,763)		(20,360)
Corporate and unallocated expenses	(125,258)		(104,718)		(92,296)
Interest, net	(45,002)		(52,066)		(30,388)
Other, net	(1,116)		520		(3,724)
Income before income taxes	$	98,626	$	72,210	$	91,799
Depreciation and amortization
ACI On Demand	$	40,594	$	34,395	$	31,541
ACI On Premise	13,207		11,992		11,634
Corporate	86,515		76,182		54,175
Total depreciation and amortization	$	140,316	$	122,569	$	97,350
Stock-based compensation expense
ACI On Demand	$	8,852	$	7,995	$	4,338
ACI On Premise	8,872		7,651		4,348
Corporate	11,878		21,117		11,674
Total stock-based compensation expense	$	29,602	$	36,763	$	20,360

Assets are not allocated to segments, and the Company’s CODM does not evaluate operating segments using discrete asset information.

The following is revenue by primary geographic market and primary solution category for the Company’s reportable segments for the periods indicated (in thousands):


	Year Ended December 31, 2020						Year Ended December 31, 2019
	ACI On Demand		ACI On Premise		Total		ACI On Demand		ACI On Premise		Total
Primary Geographic Markets
Americas - United States	$	687,923	$	142,588	$	830,511	$	609,160	$	172,660	$	781,820
Americas - Other	11,561		61,533		73,094		9,350		68,020		77,370
EMEA	58,857		234,369		293,226		50,629		251,035		301,664
Asia Pacific	10,839		86,652		97,491		9,821		87,619		97,440
Total	$	769,180	$	525,142	$	1,294,322	$	678,960	$	579,334	$	1,258,294
Primary Solution Categories
Bill Payments	$	586,047	$	—	$	586,047	$	510,300	$	—	$	510,300
Digital Channels	46,269		29,438		75,707		44,731		32,980		77,711
Merchant Payments	84,997		23,730		108,727		77,204		25,693		102,897
Payments Intelligence	40,495		21,570		62,065		36,019		33,790		69,809
Real-Time Payments	3,902		77,158		81,060		3,456		97,153		100,609
Issuing and Acquiring	7,470		373,246		380,716		7,250		389,718		396,968
Total	$	769,180	$	525,142	$	1,294,322	$	678,960	$	579,334	$	1,258,294


	Year Ended December 31, 2018
	ACI On Demand		ACI On Premise		Total
Primary Geographic Markets
Americas - United States	$	369,097	$	131,382	$	500,479
Americas - Other	9,577		61,969		71,546
EMEA	48,889		296,157		345,046
Asia Pacific	5,462		87,247		92,709
Total	$	433,025	$	576,755	$	1,009,780
Primary Solution Categories
Bill Payments	$	275,526	$	—	$	275,526
Digital Channels	40,342		35,231		75,573
Merchant Payments	64,956		30,447		95,403
Payments Intelligence	41,330		42,353		83,683
Real-Time Payments	2,193		92,068		94,261
Issuing and Acquiring	8,678		376,656		385,334
Total	$	433,025	$	576,755	$	1,009,780

The following is the Company’s long-lived assets by geographic location for the periods indicated (in thousands):


	December 31,
	2020		2019
Long-lived Assets
United States	$	1,423,862	$	1,526,046
Other	750,651		759,501
Total	$	2,174,513	$	2,285,547

No single customer accounted for more than 10% of the Company’s consolidated revenues during the years ended December 31, 2020, 2019, and 2018. No other country outside the United States accounted for more than 10% of the Company’s consolidated revenues during the years ended December 31, 2020, 2019, and 2018.

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 31
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8924-108599

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8981-108599

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8721-108599

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 40
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
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Income Taxes

12 Months Ended

Dec. 31, 2019

Income Tax Disclosure [Abstract]

Income Taxes

On December 22, 2017, the Tax Cuts and Jobs Act (“Tax Act”) was signed into U.S. Law. As of December 31, 2018, the Company had completed its accounting for the tax effects related to the enactment of the Tax Act.

The Tax Act reduced the U.S. federal corporate income tax rate from 35% to 21%, effective January 1, 2018. During the year ended December 31, 2017, the Company remeasured certain deferred tax assets and liabilities and recorded a $15.0 million provisional tax charge. During the year ended December 31, 2018, the Company reduced the initial provisional tax charge by recording a $4.9 million benefit related to accelerated tax deductions claimed on the 2018 U.S. Federal Income Tax Return.

The Tax Act required U.S. companies to pay a one-time transition tax on certain unremitted foreign earnings. During the year ended December 31, 2017, the Company recorded a $20.9 million provisional tax charge based on post-1986 earnings and profits of foreign subsidiaries that were previously deferred from U.S. income taxes. Upon further analysis, the Company reduced the initial provisional tax charge by recording an $8.1 million benefit during the year ended December 31, 2018.

During the year ended December 31, 2018, the Company recorded a $15.5 million valuation allowance on its deferred tax asset related to U.S. foreign tax credits based upon business conditions and tax laws in effect at that time.

During the year ended December 31, 2019, following the acquisition of Speedpay, the Company determined it will more likely than not be able to utilize foreign tax credits in future years due to additional income generated by Speedpay; therefore, the Company released the $15.5 million valuation allowance that had been established on this deferred tax asset.

The Tax Act subjects a U.S. shareholder to tax on global intangible low-taxed income ("GILTI") earned by certain foreign subsidiaries. The Company has elected to account for GILTI in the year the tax is incurred.

Prior to 2018, the Company considered all earnings in foreign subsidiaries to be indefinitely reinvested, and accordingly, recorded no deferred income taxes related to unremitted earnings. As of December 31, 2020, 2019, and 2018 the Company considered only the earnings in its Indian subsidiaries to be indefinitely reinvested. The earnings of all other foreign subsidiaries are no longer considered indefinitely reinvested. The Company is also permanently reinvested for outside book/tax basis differences related to foreign subsidiaries.

For financial reporting purposes, income before income taxes includes the following components (in thousands):


	Years Ended December 31,
	2020		2019		2018
United States	$	19,405	$	(16,317)	$	16,312
Foreign	79,221		88,527		75,487
Total	$	98,626	$	72,210	$	91,799

The expense (benefit) for income taxes consists of the following (in thousands):


	Years Ended December 31,
	2020		2019		2018
Federal
Current	$	(2,683)	$	3,738	$	6,545
Deferred	(3,477)		(25,150)		(6,587)
Total	(6,160)		(21,412)		(42)
State
Current	2,514		590		4,441
Deferred	(1,758)		342		(2,649)
Total	756		932		1,792
Foreign
Current	22,786		22,960		17,626
Deferred	8,584		2,668		3,502
Total	31,370		25,628		21,128
Total	$	25,966	$	5,148	$	22,878

Differences between the income tax expense computed at the statutory federal income tax rate and per the consolidated statements of operations are summarized as follows (in thousands):


	Years Ended December 31,
	2020		2019		2018
Tax expense at federal rate of 21%	$	20,711	$	15,164	$	19,278
State income taxes, net of federal benefit	321		1,227		5,246
Change in valuation allowance	2,459		(12,760)		12,657
Foreign tax rate differential	(1,809)		(2,535)		(4,796)
Unrecognized tax benefit increase (decrease)	(4,405)		898		1,262
Tax effect of foreign operations	11,373		6,698		8,546
Tax benefit of research & development	(2,173)		(2,506)		(2,557)
Transition tax	—		—		(8,112)
Revaluation of deferred tax balances	—		—		(4,937)
Performance-based compensation	(2,624)		(560)		(4,541)

Other	2,113		(478)		832
Income tax provision	$	25,966	$	5,148	$	22,878

The countries having the greatest impact on the tax rate adjustment line shown in the above table as “Foreign tax rate differential” are Ireland, Mexico, Singapore, and the United Kingdom for the year ended December 31, 2020; Ireland, Luxembourg, and the United Kingdom for the year ended December 31, 2019; and Ireland and Luxembourg for the year ended December 31, 2018.

The deferred tax assets and liabilities result from differences in the timing of the recognition of certain income and expense items for tax and financial accounting purposes. The sources of these differences at each balance sheet date are as follows (in thousands):


	December 31,
	2020		2019
Deferred income tax assets:
Net operating loss carryforwards	$	20,347	$	23,030
Tax credits	40,188		47,411
Compensation	18,731		18,791
Deferred revenue	19,169		25,599
Operating lease	10,162		12,956
Other	9,051		8,517
Gross deferred income tax assets	117,648		136,304
Less: valuation allowance	(10,112)		(7,653)
Net deferred income tax assets	$	107,536	$	128,651
Deferred income tax liabilities:
Depreciation and amortization	$	(48,967)	$	(52,978)
Operating lease right-of-use asset	(7,650)		(11,917)
Deferred revenue	(33,947)		(44,198)
Total deferred income tax liabilities	(90,564)		(109,093)
Net deferred income taxes	$	16,972	$	19,558
Deferred income taxes / liabilities included in the balance sheet are:
Deferred income tax asset – noncurrent	$	57,476	$	51,611
Deferred income tax liability – noncurrent	(40,504)		(32,053)
Net deferred income taxes	$	16,972	$	19,558

The Company has reclassified certain prior period amounts between deferred income tax line items to conform to the current year presentation of deferred income tax disclosures. The Company reclassified $13.0 million from other deferred tax assets to operating lease deferred tax assets and $11.9 million from other deferred tax assets to operating lease right-of-use asset deferred tax liabilities as of December 31, 2019. The Company also reclassified $5.5 million from tax credit deferred tax assets to other deferred tax assets as of December 31, 2019.

In assessing the realizability of deferred tax assets, the Company considers whether it is more likely than not that some portion or all of the deferred tax assets will not be realized. The ultimate realization of deferred tax assets is dependent upon the generation of future taxable income during the periods in which those temporary differences become deductible. The Company considers projected future taxable income, carryback opportunities, and tax planning strategies in making this assessment. Based upon the level of historical taxable income and projections for future taxable income over the periods which the deferred tax assets are deductible, the Company believes it is more likely than not that it will realize the benefits of these deductible differences, net of the valuation allowances recorded. During the year ended December 31, 2019, the Company decreased its valuation allowance by $12.8 million which relates to a reduction in the valuation allowance on U.S. foreign tax credits offset by an increase in valuation allowance on foreign net operating losses.

At December 31, 2020, the Company had domestic federal tax net operating losses (“NOLs”) of $59.9 million, which will begin to expire in 2021. The Company had deferred tax assets equal to $1.5 million related to domestic state tax NOLs which will begin to expire in 2021. The Company does not have any valuation allowance against the federal tax NOLs but has provided a $1.2 million valuation allowance against the deferred tax asset associated with the state NOLs. The Company had foreign tax NOLs of $25.0 million, of which $22.8 million may be utilized over an indefinite life, with the remainder expiring over the next 10 years. The Company has provided a $0.7 million valuation allowance against the deferred tax asset associated with the foreign NOLs.

The Company had U.S. foreign tax credit carryforwards at December 31, 2020, of $38.9 million, for which a $2.3 million valuation allowance has been provided. The U.S. foreign tax credits will begin to expire in 2025. The Company had foreign tax credit carryforwards in other foreign jurisdictions at December 31, 2020, of $2.3 million, of which $1.1 million may be utilized over an indefinite life, with the remainder expiring over the next seven years. The Company has provided a $1.2 million valuation allowance against the tax benefit associated with these foreign credits. The Company also has domestic federal and state general business tax credit carryforwards at December 31, 2020, of $17.1 million and $0.8 million, respectively, which will begin to expire in 2021 and 2022, respectively.

The unrecognized tax benefit at December 31, 2020 and 2019, was $24.3 million and $29.0 million, respectively, of which $17.7 million and $22.4 million, respectively, are included in other noncurrent liabilities in the consolidated balance sheets. Of the total unrecognized tax benefit amounts at December 31, 2020 and 2019, $23.2 million and $28.2 million, respectively, represent the net unrecognized tax benefits that, if recognized, would favorably impact the effective income tax rate in the respective years.

A reconciliation of the beginning and ending amount of unrecognized tax benefits for the years ended December 31 is as follows (in thousands):


	2020		2019		2018
Balance of unrecognized tax benefits at beginning of year	$	29,000	$	28,406	$	27,237
Increases for tax positions of prior years	4,219		2,784		315
Decreases for tax positions of prior years	—		(96)		(61)
Increases for tax positions established for the current period	3,912		2,542		1,185
Decreases for settlements with taxing authorities	(285)		(220)		—
Reductions resulting from lapse of applicable statute of limitation	(12,630)		(4,462)		(115)
Adjustment resulting from foreign currency translation	94		46		(155)
Balance of unrecognized tax benefits at end of year	$	24,310	$	29,000	$	28,406

The Company files income tax returns in the U.S. federal jurisdiction, various state and local jurisdictions, and many foreign jurisdictions. The United States, India, Ireland, Mexico, Singapore, and the United Kingdom are the main taxing jurisdictions in which the Company operates. The years open for audit vary depending on the tax jurisdiction. In the United States, the Company’s tax returns for years following 2016 are open for audit. In the foreign jurisdictions, the tax returns open for audit generally vary by jurisdiction between 2003 and 2019.

The Company’s Indian income tax returns covering fiscal years 2005, 2010 through 2014, 2016, and 2017 are under audit by the Indian tax authority. Other foreign subsidiaries could face challenges from various foreign tax authorities. It is not certain that the local authorities will accept the Company’s tax positions. The Company believes its tax positions comply with applicable tax law and intends to vigorously defend its positions. However, differing positions on certain issues could be upheld by tax authorities, which could adversely affect the Company’s financial condition and results of operations.

The Company believes it is reasonably possible that the total amount of unrecognized tax benefits will decrease within the next 12 months by approximately $3.6 million due to the settlement of various audits and the expiration of statutes of limitations. The Company accrues interest related to uncertain tax positions in interest expense or interest income and recognizes penalties related to uncertain tax positions in other income or other expense. As of December 31, 2020 and 2019, $1.2 million is accrued for the payment of interest and penalties related to income tax liabilities. The aggregate amount of interest and penalties expense (benefit) recorded in the statements of operations for the years ended December 31, 2020, 2019, and 2018, was less than $0.1 million, $0.2 million, and less than $(0.1) million, respectively.

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References + Details

Leases

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Leases

LeasesThe Company has operating leases for corporate offices and data centers. Excluding office leases, leases with an initial term of 12-months or less that do not include an option to purchase the underlying asset are not recorded on the consolidated balance sheet and are expensed on a straight-line basis over the lease term.

The Company’s leases typically include certain renewal options to extend the leases for up to 25 years, some of which include options to terminate the leases within one year. The exercise of lease renewal options is at the Company’s sole discretion. The Company combines lease and non-lease components of its leases and currently has no leases with options to purchase the leased property. Payments of maintenance and property tax costs paid by the Company are accounted for as variable lease cost, which are expensed as incurred.

The components of lease cost are as follows (in thousands):


	Years Ended December 31,
	2020		2019
Operating lease cost	$	25,148	$	18,486
Variable lease cost	3,588		3,756
Sublease income	(134)		(528)
Total lease cost	$	28,602	$	21,714

Supplemental cash flow information related to leases is as follows (in thousands):


	Years Ended December 31,
	2020		2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	18,827	$	19,578
Right-of-use assets obtained in exchange for new lease obligations:
Operating leases	$	11,431	$	10,478

Supplemental balance sheet information related to leases is as follows (in thousands, except lease term and discount rate):


	December 31,
	2020			2019
Assets:
Operating lease right-of-use assets	$	41,243		$	57,382
Liabilities:
Other current liabilities	$	13,438		$	15,049
Operating lease liabilities	39,958			46,766
Total operating lease liabilities	$	53,396		$	61,815
Weighted average remaining operating lease term (years)	6.01			6.58
Weighted average operating lease discount rate	3.67		%	4.00		%

The Company uses its incremental borrowing rate as the discount rate. As the Company enters into operating leases in multiple jurisdictions and denominated in currencies other than the U.S. dollar, judgment is used to determine the Company’s incremental borrowing rate including (1) conversion of its subordinated borrowing rate (using published yield curves) to an unsubordinated and collateralized rate, (2) adjusting the rate to align with the term of each lease, and (3) adjusting the rate to incorporate the effects of the currency in which the lease is denominated.

Maturities on lease liabilities as of December 31, 2020, are as follows (in thousands):


Fiscal Year Ending December 31,
2021	$	15,116
2022	12,991
2023	10,436
2024	5,545
2025	4,016
Thereafter	11,573
Total lease payments	59,677
Less: imputed interest	6,281
Total lease liability	$	53,396

Commitments and Contingencies	12 Months Ended
Commitments and Contingencies	Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies In accordance with ASC 460, Guarantees, the Company recognizes the fair value for guarantee and indemnification arrangements it issues or modifies if these arrangements are within the scope of the interpretation. In addition, the Company must continue to monitor the conditions that are subject to the guarantees and indemnifications, as required under the previously existing generally accepted accounting principles, to identify if a loss has occurred. If the Company determines it is probable a loss has occurred, then any estimable loss would be recognized under those guarantees and indemnifications. Under its customer agreements, the Company may agree to indemnify, defend, and hold harmless its customers from and against certain losses, damages, and costs arising from claims alleging that the use of its software infringes the intellectual property of a third-party. Historically, the Company has not been required to pay material amounts in connection with claims asserted under these provisions, and accordingly, the Company has not recorded a liability relating to such provisions. Under its customer agreements, the Company also may represent and warrant to customers that its software will operate substantially in conformance with its documentation, and that the services the Company performs will be performed in a workmanlike manner by personnel reasonably qualified by experience and expertise to perform their assigned tasks. Historically, only minimal costs have been incurred relating to the satisfaction of warranty claims. In addition, from time to time, the Company may guarantee the performance of a contract on behalf of one or more of its subsidiaries, or a subsidiary may guarantee the performance of a contract on behalf of another subsidiary. Other guarantees include promises to indemnify, defend, and hold harmless the Company’s executive officers, directors, and certain other key officers. The Company’s certificate of incorporation provides that it will indemnify and advance expenses to its directors and officers to the maximum extent permitted by Delaware law. The indemnification covers any expenses and liabilities reasonably incurred by a person, by reason of the fact that such person is, was, or has agreed to be a director or officer, in connection with the investigation, defense, and settlement of any threatened, pending, or completed action, suit, proceeding, or claim. The Company’s certificate of incorporation authorizes the use of indemnification agreements, and the Company enters into such agreements with its directors and certain officers from time to time. These indemnification agreements typically provide for a broader scope of the Company’s obligation to indemnify the directors and officers than set forth in the certificate of incorporation. The Company’s contractual indemnification obligations under these agreements are in addition to the respective directors’ and officers’ rights under the certificate of incorporation or under Delaware law.

Employee Benefit Plans	12 Months Ended
Employee Benefit Plans	Dec. 31, 2020
Retirement Benefits [Abstract]
Employee Benefit Plans	Employee Benefit Plans ACI 401(k) Plan The ACI 401(k) Plan is a defined contribution plan covering all domestic employees of the Company. Participants may contribute up to 75% of their annual eligible compensation up to a maximum of $19,500 (for employees who are under the age of 50 on December 31, 2020) or a maximum of $26,000 (for employees aged 50 or older on December 31, 2020). After one year of service, the Company matches 100% of the first 4% of eligible participant contributions and 50% of the next 4% of eligible participant contributions, not to exceed $5,000 per employee annually. Company contributions charged to expense were $6.3 million during the year ended December 31, 2020, and $6.4 million during both the years ended December 31, 2019 and 2018. ACI Worldwide EMEA Group Personal Pension SchemeThe ACI Worldwide EMEA Group Personal Pension Scheme is a defined contribution plan covering substantially all ACI Worldwide (EMEA) Limited (“ACI-EMEA”) employees. For those ACI-EMEA employees who elect to participate in the plan, the Company contributes a minimum of 8.5% of eligible compensation to the plan for employees employed at December 1, 2000 (up to a maximum of 15.5% for employees aged over 55 years on December 1, 2000) or from 6% to 10% of eligible compensation for employees employed subsequent to December 1, 2000. ACI-EMEA contributions charged to expense were $1.5 million during both the years ended December 31, 2020 and 2019, and $1.6 million during the year ended December 31, 2018

The entire disclosure for retirement benefits.

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Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2020

Quarterly Financial Data (Unaudited)

The following consists of quarterly financial data (in thousands, except per share amounts):


	Quarter Ended								Year Ended
	March 31, 2020		June 30, 2020		September 30, 2020		December 31, 2020		December 31, 2020
Revenues:
Software as a service and platform as a service	$	192,950	$	180,573	$	190,369	$	205,288	$	769,180
License	28,129		50,136		56,773		111,858		246,896
Maintenance	53,280		52,749		53,049		52,619		211,697
Services	17,126		16,452		15,692		17,279		66,549
Total revenues	291,485		299,910		315,883		387,044		1,294,322
Operating expenses:
Cost of revenue (1)	165,837		147,346		158,579		150,697		622,459
Research and development	39,024		35,578		33,573		31,118		139,293
Selling and marketing	30,083		24,455		22,154		26,875		103,567
General and administrative	35,926		29,758		37,000		49,784		152,468
Depreciation and amortization	31,898		33,635		33,395		32,863		131,791
Total operating expenses	302,768		270,772		284,701		291,337		1,149,578
Operating income (loss)	(11,283)		29,138		31,182		95,707		144,744
Other income (expense):
Interest expense	(17,171)		(14,142)		(12,925)		(12,392)		(56,630)
Interest income	2,900		2,954		2,927		2,847		11,628
Other, net	(9,758)		2,041		1,356		5,245		(1,116)
Total other income (expense)	(24,029)		(9,147)		(8,642)		(4,300)		(46,118)
Income (loss) before income taxes	(35,312)		19,991		22,540		91,407		98,626
Income tax expense (benefit)	(10,885)		5,916		6,674		24,261		25,966
Net income (loss)	$	(24,427)	$	14,075	$	15,866	$	67,146	$	72,660
Earnings (loss) per share
Basic	$	(0.21)	$	0.12	$	0.14	$	0.57	$	0.62
Diluted	$	(0.21)	$	0.12	$	0.13	$	0.56	$	0.62

(1)The cost of revenue excludes charges for depreciation but includes amortization of purchased and developed software for resale.


	Quarter Ended								Year Ended
	March 31, 2019		June 30, 2019		September 30, 2019		December 31, 2019		December 31, 2019
Revenues:
Software as a service and platform as a service	$	108,557	$	172,499	$	192,952	$	203,661	$	677,669
License	21,078		52,541		92,058		122,584		288,261
Maintenance	55,111		51,922		52,638		53,738		213,409
Services	21,109		20,656		17,253		19,937		78,955
Total revenues	205,855		297,618		354,901		399,920		1,258,294
Operating expenses:
Cost of revenue (1)	114,941		155,240		174,168		173,104		617,453
Research and development	36,194		39,235		36,543		34,601		146,573
Selling and marketing	29,430		32,962		30,417		30,875		123,684
General and administrative	31,517		49,319		27,286		27,174		135,296
Depreciation and amortization	21,866		26,744		31,169		31,753		111,532
Total operating expenses	233,948		303,500		299,583		297,507		1,134,538
Operating income (loss)	(28,093)		(5,882)		55,318		102,413		123,756
Other income (expense):
Interest expense	(11,614)		(15,323)		(18,987)		(18,109)		(64,033)
Interest income	3,033		2,997		2,988		2,949		11,967
Other, net	(1,912)		1,402		(2,369)		3,399		520
Total other income (expense)	(10,493)		(10,924)		(18,368)		(11,761)		(51,546)
Income (loss) before income taxes	(38,586)		(16,806)		36,950		90,652		72,210
Income tax expense (benefit)	(12,623)		(22,531)		5,136		35,166		5,148
Net income (loss)	$	(25,963)	$	5,725	$	31,814	$	55,486	$	67,062
Earnings (loss) per share
Basic	$	(0.22)	$	0.05	$	0.27	$	0.48	$	0.58
Diluted	$	(0.22)	$	0.05	$	0.27	$	0.47	$	0.57

(1)The cost of revenue excludes charges for depreciation but includes amortization of purchased and developed software for resale.

Nature of Business and Summary of Significant Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Nature of Business

Consolidated Financial Statements

Consolidated Financial StatementsThe consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All intercompany balances and transactions have been eliminated.

Capital Stock

Use of Estimates

Cash and Cash Equivalents

Settlement Assets and Liabilities

Off Balance Sheet Settlement Accounts

Off Balance Sheet Settlement AccountsThe Company also enters into agreements with certain Biller clients to process payment funds on their behalf. When an ACH or automated teller machine network payment transaction is processed, a transaction is initiated to withdraw funds from the designated source account and deposit them into a settlement account, which is a trust account maintained for the benefit of the Company’s clients. A simultaneous transaction is initiated to transfer funds from the settlement account to the intended destination account. These “back to back” transactions are designed to settle at the same time, usually overnight, such that the Company receives the funds from the source at the same time as it sends the funds to their destination. However, due to the transactions being with various financial institutions there may be timing differences that result in float balances. These funds are maintained in accounts for the benefit of the client which is separate from the Company’s corporate assets. As the Company does not take ownership of the funds, these settlement accounts are not included in the Company’s balance sheet. The Company is entitled to interest earned on the fund balances. The collection of interest on these settlement accounts is considered in the Company’s determination of its fee structure for clients and represents a portion of the payment for services performed by the Company.

Property and Equipment


		December 31,
	Useful Lives	2020		2019
Computer and office equipment	3 - 5 years	$	133,346	$	143,942
Leasehold improvements	Lesser of useful life of improvement or remaining life of lease	29,535		33,346
Building and improvements	7 - 30 years	14,588		14,553
Furniture and fixtures	7 years	8,539		12,980
Land	Non-depreciable	1,785		1,785
Property and equipment, gross		187,793		206,606
Less: accumulated depreciation		(123,059)		(136,226)
Property and equipment, net		$	64,734	$	70,380

Software

Business Combinations

Other estimates associated with the accounting for acquisitions may change as additional information becomes available regarding the assets acquired and liabilities assumed.

Fair Value

•Level 1 Inputs – Unadjusted quoted prices in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date.

The fair values of cash and cash equivalents approximate the carrying values due to the short period of time to maturity (Level 2 of the fair value hierarchy).

Goodwill and Other Intangibles

Changes in the carrying amount of goodwill attributable to each reporting unit during the year ended December 31, 2020, were as follows (in thousands):


	ACI On Demand		ACI On Premise		Total
Gross Balance, prior to December 31, 2018	$	183,783	$	773,340	$	957,123
Total impairment prior to December 31, 2018	—		(47,432)		(47,432)
Balance, December 31, 2018	183,783		725,908		909,691
Goodwill from acquisitions (1)	370,834		—		370,834
Balance, December 31, 2019	554,617		725,908		1,280,525
Goodwill from acquisitions (1)	(299)		—		(299)
Balance, December 31, 2020	$	554,318	$	725,908	$	1,280,226

Equity Method Investments

Equity Method InvestmentOn July 23, 2019, the Company invested $18.3 million for a 30% non-controlling financial interest in a payment technology and services company in India. The Company accounted for this investment using the equity method in accordance with ASC 323, Investments - Equity Method and Joint Ventures. The Company records its share of earnings and losses in the investment on a one-quarter lag basis. Accordingly, the Company recorded an investment of $19.3 million and $18.5 million, which is included in other noncurrent assets in the consolidated balance sheet as of December 31, 2020 and 2019, respectively.

Impairment of Long-Lived Assets

Treasury Stock

Stock-Based Compensation Plans

Translation of Foreign Currencies

Income Taxes

New Accounting Standards Recently Adopted and Recently Issued Accounting Standards Not Yet Effective

New Accounting Standards Recently Adopted

Recently Issued Accounting Standards Not Yet Effective

Earnings Per Share

Segment Information

The Company reports financial performance based on its segments, ACI On Demand and ACI On Premise, and analyzes Segment Adjusted EBITDA as a measure of segment profitability.

Nature of Business and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Summary of Other Current Liabilities

The components of other current liabilities are included in the following table (in thousands):


	December 31,
	2020		2019
Operating lease liabilities	$	13,438	$	15,049
Vendor financed licenses	12,901		9,667
Accrued interest	8,745		9,212
Royalties payable	3,959		6,107
Other	42,569		36,936
Total other current liabilities	$	81,612	$	76,971

Summary of Property and Equipment Estimated Useful Lives and Balances

As of December 31, 2020 and 2019, net property and equipment consisted of the following (in thousands):


		December 31,
	Useful Lives	2020		2019
Computer and office equipment	3 - 5 years	$	133,346	$	143,942
Leasehold improvements	Lesser of useful life of improvement or remaining life of lease	29,535		33,346
Building and improvements	7 - 30 years	14,588		14,553
Furniture and fixtures	7 years	8,539		12,980
Land	Non-depreciable	1,785		1,785
Property and equipment, gross		187,793		206,606
Less: accumulated depreciation		(123,059)		(136,226)
Property and equipment, net		$	64,734	$	70,380

Summary of Changes in the Carrying Amount of Goodwill

Changes in the carrying amount of goodwill attributable to each reporting unit during the year ended December 31, 2020, were as follows (in thousands):


	ACI On Demand		ACI On Premise		Total
Gross Balance, prior to December 31, 2018	$	183,783	$	773,340	$	957,123
Total impairment prior to December 31, 2018	—		(47,432)		(47,432)
Balance, December 31, 2018	183,783		725,908		909,691
Goodwill from acquisitions (1)	370,834		—		370,834
Balance, December 31, 2019	554,617		725,908		1,280,525
Goodwill from acquisitions (1)	(299)		—		(299)
Balance, December 31, 2020	$	554,318	$	725,908	$	1,280,226

Revenue (Tables)

12 Months Ended

Dec. 31, 2020

Revenue from Contract with Customer [Abstract]

Summary of Total Receivables, Net

Total receivables, net is comprised of the following (in thousands):


	December 31,
	2020		2019
Billed receivables	$	179,177	$	213,654
Allowance for doubtful accounts	(3,912)		(5,149)
Billed receivables, net	175,265		208,505
Current accrued receivables, net	167,614		150,692
Long-term accrued receivables, net	215,772		213,041
Total accrued receivables, net	383,386		363,733
Total receivables, net	$	558,651	$	572,238

Summary of Allowance for Doubtful Accounts Receivable

The following reflects activity in the Company’s allowance for doubtful accounts receivable for the periods indicated (in thousands):


	Years Ended December 31,
	2020		2019		2018
Balance, beginning of period	$	(5,149)	$	(3,912)	$	(4,799)
Provision (increase) decrease	374		(2,561)		(1,505)
Amounts written off, net of recoveries	941		1,368		2,269
Foreign currency translation adjustments and other	(78)		(44)		123
Balance, end of period	$	(3,912)	$	(5,149)	$	(3,912)

Summary of Changes in Deferred Revenue

Changes in deferred revenue were as follows (in thousands):


Balance, December 31, 2018	$	156,135
Deferral of revenue	149,253
Recognition of deferred revenue	(187,069)
Foreign currency translation	620
Balance, December 31, 2019	118,939
Deferral of revenue	149,363
Recognition of deferred revenue	(141,313)
Foreign currency translation	2,424
Balance, December 31, 2020	$	129,413

Acquisition (Tables)

12 Months Ended

Dec. 31, 2020

Business Combinations [Abstract]

Summary of Recognized Identified Assets Acquired and Liabilities Assumed

In connection with the acquisition, the Company recorded the following amounts based upon its purchase price allocation as of December 31, 2020 (in thousands, except weighted average useful lives):


	Amount		Weighted Average Useful Lives
Current assets:
Cash and cash equivalents	$	135
Receivables, net of allowances	17,658
Settlement assets	239,604
Prepaid expenses	317
Other current assets	19,585
Total current assets acquired	277,299
Noncurrent assets:
Goodwill	366,508
Software	113,600		7 years
Customer relationships	208,500		15 years
Trade names	10,900		5 years
Other noncurrent assets	3,745
Total assets acquired	980,552
Current liabilities:
Accounts payable	6,623
Settlement liabilities	212,892
Employee compensation	1,959
Other current liabilities	3,802
Total current liabilities acquired	225,276
Noncurrent liabilities:
Other noncurrent liabilities	1,219
Total liabilities acquired	226,495
Net assets acquired	$	754,057

Summary of Unaudited Summarized Pro Forma Financial Information

The following is the unaudited summarized pro forma financial information for the periods presented (in thousands, except per share data):


	Years Ended December 31,
	2019		2018
Pro forma revenue	$	1,382,957	$	1,361,729
Pro forma net income	$	82,003	$	88,428
Pro forma income per share:
Basic	$	0.71	$	0.76
Diluted	$	0.69	$	0.75

Debt (Tables)

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Schedule of Maturities on Debt Outstanding

Maturities on debt outstanding at December 31, 2020, are as follows (in thousands):


Fiscal Year Ending December 31,
2021	$	38,950
2022	50,431
2023	69,906
2024	612,823
2025	—
Thereafter	400,000
Total	$	1,172,110

Summary of Total Debt

Total debt is comprised of the following (in thousands):


	December 31,
	2020		2019
Term loans	$	717,110	$	756,060
Revolving credit facility	55,000		239,000
5.750% Senior Notes, due August 2026	400,000		400,000
Debt issuance costs	(17,103)		(21,905)
Total debt	1,155,007		1,373,155
Less: current portion of term loans	38,950		38,950
Less: current portion of debt issuance costs	(4,685)		(4,802)
Total long-term debt	$	1,120,742	$	1,339,007

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

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Goodwill and Intangible Assets Disclosure [Abstract]

Software and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

Summary of Carrying Amount and Accumulated Amortization of Software and Other Intangible Assets

The carrying amount and accumulated amortization of the Company's software assets subject to amortization at each balance sheet date are as follows (in thousands):


	December 31, 2020						December 31, 2019
	Gross Carrying Amount		Accumulated Amortization		Net Balance		Gross Carrying Amount		Accumulated Amortization		Net Balance
Software for resale	$	130,261	$	(123,418)	$	6,843	$	138,823	$	(122,061)	$	16,762
Software for internal use	430,330		(240,717)		189,613		400,065		(182,310)		217,755
Total software	$	560,591	$	(364,135)	$	196,456	$	538,888	$	(304,371)	$	234,517

The carrying amount and accumulated amortization of the Company’s other intangible assets subject to amortization at each balance sheet date are as follows (in thousands):


	December 31, 2020						December 31, 2019
	Gross Carrying Amount		Accumulated Amortization		Net Balance		Gross Carrying Amount		Accumulated Amortization		Net Balance
Customer relationships	$	512,389	$	(197,787)	$	314,602	$	507,785	$	(160,775)	$	347,010
Trademarks and trade names	24,115		(16,734)		7,381		27,312		(17,353)		9,959
Total other intangible assets	$	536,504	$	(214,521)	$	321,983	$	535,097	$	(178,128)	$	356,969

Summary of Estimated Intangible Asset Amortization Expense in Future Fiscal Years

Based on capitalized intangible assets as of December 31, 2020, estimated amortization expense amounts in future fiscal years are as follows (in thousands):


Fiscal Year Ending December 31,	Software Amortization		Other Intangible Assets Amortization
2021	$	67,599	$	37,062
2022	50,179		36,903
2023	32,004		36,564
2024	20,608		32,044
2025	18,354		23,452
Thereafter	7,712		155,958
Total	$	196,456	$	321,983

Stock-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of Stock Option Activity

A summary of stock option activity is as follows:


	Number of Shares	Weighted Average Exercise Price ($)		Weighted Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value of In-the-Money Options ($)
Outstanding, December 31, 2019	4,006,816	$	18.18
Exercised	(1,756,471)	18.53
Forfeited	(57,744)	19.08
Expired	(6,090)	18.44
Outstanding, December 31, 2020	2,186,511	$	17.87	3.96	$	44,944,958
Exercisable, December 31, 2020	2,039,275	$	17.72	4.16	$	42,231,530

Black-Scholes Option-Pricing Model

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of Grant Date Fair Value Weighted Average Assumptions, Options


	Year Ended December 31, 2018
Expected life (years)	5.6
Risk-free interest rate	2.7	%
Expected volatility	26.4	%
Expected dividend yield	—

LTIP Performance Shares

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of Nonvested Performance Award Activity

A summary of the nonvested LTIP performance shares is as follows:


	Number of Shares at Expected Attainment	Weighted Average Grant Date Fair Value
Nonvested at December 31, 2019	669,469	$	20.12
Vested	(668,240)	20.12
Forfeited	(5,368)	20.12
Change in expected attainment	4,139	20.12
Nonvested at December 31, 2020	—	$	—

Restricted Share Awards (RSAs)

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of Nonvested Restricted Share Award Activity

A summary of nonvested RSAs is as follows:


	Number of Shares	Weighted Average Grant Date Fair Value
Nonvested at December 31, 2019	92,842	$	20.13
Vested	(88,913)	20.12
Forfeited	(3,929)	20.35
Nonvested at December 31, 2020	—	$	—

Total Shareholder Return Awards (TSRs)

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of Nonvested Performance Award Activity

A summary of nonvested TSRs is as follows:


	Number of Shares	Weighted Average Grant Date Fair Value
Nonvested as of December 31, 2019	1,062,291	$	35.77
Granted	677,195	30.01
Vested	(199,413)	24.37
Forfeited	(158,086)	36.69
Change in payout rate	(14,259)	24.37
Nonvested as of December 31, 2020	1,367,728	$	34.59

Total Shareholder Return Awards (TSRs) | Monte Carlo Simulation Model

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of Grant Date Fair Value Weighted Average Assumptions, Awards Other Than Options


	Years Ended December 31,
	2020		2019		2018
Expected life (years)	2.8		2.8		2.9
Risk-free interest rate	0.5	%	2.5	%	2.4	%
Volatility	31.4	%	29.3	%	28.0	%
Expected dividend yield	—		—		—

Restricted Stock Units (RSUs)

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of Nonvested Restricted Share Unit Activity

A summary of nonvested RSUs is as follows:


	Number of Shares	Weighted Average Grant Date Fair Value
Nonvested as of December 31, 2019	1,009,404	$	29.96
Granted	816,543	25.72
Vested	(431,504)	29.60
Forfeited	(276,261)	28.57
Nonvested as of December 31, 2020	1,118,182	$	27.34

Common Stock and Treasury Stock (Tables)

12 Months Ended

Dec. 31, 2020

Equity [Abstract]

Summary of Treasury Shares Issued by Award Type

Treasury shares issued by award type are as follows:


	Years Ended December 31,
	2020	2019	2018
Stock options	1,756,471	854,524	1,379,704
LTIP performance shares	668,240	—	—
TSRs	199,413	—	—
RSUs	431,504	259,634	10,000
ESPP	151,542	126,983	148,520
Total treasury shares issued	3,207,170	1,241,141	1,538,224

Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Summary of Reconciliation of Weighted Average Share Amounts used to Compute Both Basic and Diluted Earnings Per Share

The following table reconciles the weighted average share amounts used to compute both basic and diluted earnings per share (in thousands):


	Years Ended December 31,
	2020	2019	2018
Weighted average shares outstanding:
Basic weighted average shares outstanding	116,397	116,175	116,057
Add: Dilutive effect of stock options, RSUs, and contingently issuable shares	1,682	2,396	1,575
Diluted weighted average shares outstanding	118,079	118,571	117,632

Segment Information (Tables)

12 Months Ended

Dec. 31, 2020

Segment Reporting [Abstract]

Summary of Selected Financial Data by Reportable Segment

The following is selected financial data for the Company’s reportable segments for the periods indicated (in thousands):


	Years Ended December 31,
	2020		2019		2018
Revenues
ACI On Demand	$	769,180	$	678,960	$	433,025
ACI On Premise	525,142		579,334		576,755
Total revenue	$	1,294,322	$	1,258,294	$	1,009,780
Segment Adjusted EBITDA
ACI On Demand	$	149,610	$	66,501	$	12,015
ACI On Premise	290,310		321,305		323,902
Depreciation and amortization	(140,316)		(122,569)		(97,350)
Stock-based compensation expense	(29,602)		(36,763)		(20,360)
Corporate and unallocated expenses	(125,258)		(104,718)		(92,296)
Interest, net	(45,002)		(52,066)		(30,388)
Other, net	(1,116)		520		(3,724)
Income before income taxes	$	98,626	$	72,210	$	91,799
Depreciation and amortization
ACI On Demand	$	40,594	$	34,395	$	31,541
ACI On Premise	13,207		11,992		11,634
Corporate	86,515		76,182		54,175
Total depreciation and amortization	$	140,316	$	122,569	$	97,350
Stock-based compensation expense
ACI On Demand	$	8,852	$	7,995	$	4,338
ACI On Premise	8,872		7,651		4,348
Corporate	11,878		21,117		11,674
Total stock-based compensation expense	$	29,602	$	36,763	$	20,360

Summary of Revenue by Primary Geographic Markets and Primary Solution Categories

The following is revenue by primary geographic market and primary solution category for the Company’s reportable segments for the periods indicated (in thousands):


	Year Ended December 31, 2020						Year Ended December 31, 2019
	ACI On Demand		ACI On Premise		Total		ACI On Demand		ACI On Premise		Total
Primary Geographic Markets
Americas - United States	$	687,923	$	142,588	$	830,511	$	609,160	$	172,660	$	781,820
Americas - Other	11,561		61,533		73,094		9,350		68,020		77,370
EMEA	58,857		234,369		293,226		50,629		251,035		301,664
Asia Pacific	10,839		86,652		97,491		9,821		87,619		97,440
Total	$	769,180	$	525,142	$	1,294,322	$	678,960	$	579,334	$	1,258,294
Primary Solution Categories
Bill Payments	$	586,047	$	—	$	586,047	$	510,300	$	—	$	510,300
Digital Channels	46,269		29,438		75,707		44,731		32,980		77,711
Merchant Payments	84,997		23,730		108,727		77,204		25,693		102,897
Payments Intelligence	40,495		21,570		62,065		36,019		33,790		69,809
Real-Time Payments	3,902		77,158		81,060		3,456		97,153		100,609
Issuing and Acquiring	7,470		373,246		380,716		7,250		389,718		396,968
Total	$	769,180	$	525,142	$	1,294,322	$	678,960	$	579,334	$	1,258,294


	Year Ended December 31, 2018
	ACI On Demand		ACI On Premise		Total
Primary Geographic Markets
Americas - United States	$	369,097	$	131,382	$	500,479
Americas - Other	9,577		61,969		71,546
EMEA	48,889		296,157		345,046
Asia Pacific	5,462		87,247		92,709
Total	$	433,025	$	576,755	$	1,009,780
Primary Solution Categories
Bill Payments	$	275,526	$	—	$	275,526
Digital Channels	40,342		35,231		75,573
Merchant Payments	64,956		30,447		95,403
Payments Intelligence	41,330		42,353		83,683
Real-Time Payments	2,193		92,068		94,261
Issuing and Acquiring	8,678		376,656		385,334
Total	$	433,025	$	576,755	$	1,009,780

Summary of Long-lived Assets by Geographic Location

The following is the Company’s long-lived assets by geographic location for the periods indicated (in thousands):


	December 31,
	2020		2019
Long-lived Assets
United States	$	1,423,862	$	1,526,046
Other	750,651		759,501
Total	$	2,174,513	$	2,285,547

Income Taxes (Tables)

12 Months Ended

Dec. 31, 2020

Income Tax Disclosure [Abstract]

Components of Income Before Income Taxes

For financial reporting purposes, income before income taxes includes the following components (in thousands):


	Years Ended December 31,
	2020		2019		2018
United States	$	19,405	$	(16,317)	$	16,312
Foreign	79,221		88,527		75,487
Total	$	98,626	$	72,210	$	91,799

Summary of Income Tax Expense (Benefit)

The expense (benefit) for income taxes consists of the following (in thousands):


	Years Ended December 31,
	2020		2019		2018
Federal
Current	$	(2,683)	$	3,738	$	6,545
Deferred	(3,477)		(25,150)		(6,587)
Total	(6,160)		(21,412)		(42)
State
Current	2,514		590		4,441
Deferred	(1,758)		342		(2,649)
Total	756		932		1,792
Foreign
Current	22,786		22,960		17,626
Deferred	8,584		2,668		3,502
Total	31,370		25,628		21,128
Total	$	25,966	$	5,148	$	22,878

Summary of Differences Between Income Tax Expense Computed at Statutory Federal Income Tax Rate and Per Consolidated Statements of Operations

Differences between the income tax expense computed at the statutory federal income tax rate and per the consolidated statements of operations are summarized as follows (in thousands):


	Years Ended December 31,
	2020		2019		2018
Tax expense at federal rate of 21%	$	20,711	$	15,164	$	19,278
State income taxes, net of federal benefit	321		1,227		5,246
Change in valuation allowance	2,459		(12,760)		12,657
Foreign tax rate differential	(1,809)		(2,535)		(4,796)
Unrecognized tax benefit increase (decrease)	(4,405)		898		1,262
Tax effect of foreign operations	11,373		6,698		8,546
Tax benefit of research & development	(2,173)		(2,506)		(2,557)
Transition tax	—		—		(8,112)
Revaluation of deferred tax balances	—		—		(4,937)
Performance-based compensation	(2,624)		(560)		(4,541)

Other	2,113		(478)		832
Income tax provision	$	25,966	$	5,148	$	22,878

Summary of Deferred Tax Assets and Liabilities


	December 31,
	2020		2019
Deferred income tax assets:
Net operating loss carryforwards	$	20,347	$	23,030
Tax credits	40,188		47,411
Compensation	18,731		18,791
Deferred revenue	19,169		25,599
Operating lease	10,162		12,956
Other	9,051		8,517
Gross deferred income tax assets	117,648		136,304
Less: valuation allowance	(10,112)		(7,653)
Net deferred income tax assets	$	107,536	$	128,651
Deferred income tax liabilities:
Depreciation and amortization	$	(48,967)	$	(52,978)
Operating lease right-of-use asset	(7,650)		(11,917)
Deferred revenue	(33,947)		(44,198)
Total deferred income tax liabilities	(90,564)		(109,093)
Net deferred income taxes	$	16,972	$	19,558
Deferred income taxes / liabilities included in the balance sheet are:
Deferred income tax asset – noncurrent	$	57,476	$	51,611
Deferred income tax liability – noncurrent	(40,504)		(32,053)
Net deferred income taxes	$	16,972	$	19,558

Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of unrecognized tax benefits for the years ended December 31 is as follows (in thousands):


	2020		2019		2018
Balance of unrecognized tax benefits at beginning of year	$	29,000	$	28,406	$	27,237
Increases for tax positions of prior years	4,219		2,784		315
Decreases for tax positions of prior years	—		(96)		(61)
Increases for tax positions established for the current period	3,912		2,542		1,185
Decreases for settlements with taxing authorities	(285)		(220)		—
Reductions resulting from lapse of applicable statute of limitation	(12,630)		(4,462)		(115)
Adjustment resulting from foreign currency translation	94		46		(155)
Balance of unrecognized tax benefits at end of year	$	24,310	$	29,000	$	28,406

Leases (Tables)

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Summary of Components of Lease Cost

The components of lease cost are as follows (in thousands):


	Years Ended December 31,
	2020		2019
Operating lease cost	$	25,148	$	18,486
Variable lease cost	3,588		3,756
Sublease income	(134)		(528)
Total lease cost	$	28,602	$	21,714

Summary of Supplemental Cash Flow Information

Supplemental cash flow information related to leases is as follows (in thousands):


	Years Ended December 31,
	2020		2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	18,827	$	19,578
Right-of-use assets obtained in exchange for new lease obligations:
Operating leases	$	11,431	$	10,478

Summary of Supplemental Balance Sheet Information

Supplemental balance sheet information related to leases is as follows (in thousands, except lease term and discount rate):


	December 31,
	2020			2019
Assets:
Operating lease right-of-use assets	$	41,243		$	57,382
Liabilities:
Other current liabilities	$	13,438		$	15,049
Operating lease liabilities	39,958			46,766
Total operating lease liabilities	$	53,396		$	61,815
Weighted average remaining operating lease term (years)	6.01			6.58
Weighted average operating lease discount rate	3.67		%	4.00		%

Schedule of Maturities on Lease Liabilities

Maturities on lease liabilities as of December 31, 2020, are as follows (in thousands):


Fiscal Year Ending December 31,
2021	$	15,116
2022	12,991
2023	10,436
2024	5,545
2025	4,016
Thereafter	11,573
Total lease payments	59,677
Less: imputed interest	6,281
Total lease liability	$	53,396

Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2020

Quarterly Financial Information Disclosure [Abstract]

Summary of Quarterly Financial Data (Unaudited)

The following consists of quarterly financial data (in thousands, except per share amounts):


	Quarter Ended								Year Ended
	March 31, 2020		June 30, 2020		September 30, 2020		December 31, 2020		December 31, 2020
Revenues:
Software as a service and platform as a service	$	192,950	$	180,573	$	190,369	$	205,288	$	769,180
License	28,129		50,136		56,773		111,858		246,896
Maintenance	53,280		52,749		53,049		52,619		211,697
Services	17,126		16,452		15,692		17,279		66,549
Total revenues	291,485		299,910		315,883		387,044		1,294,322
Operating expenses:
Cost of revenue (1)	165,837		147,346		158,579		150,697		622,459
Research and development	39,024		35,578		33,573		31,118		139,293
Selling and marketing	30,083		24,455		22,154		26,875		103,567
General and administrative	35,926		29,758		37,000		49,784		152,468
Depreciation and amortization	31,898		33,635		33,395		32,863		131,791
Total operating expenses	302,768		270,772		284,701		291,337		1,149,578
Operating income (loss)	(11,283)		29,138		31,182		95,707		144,744
Other income (expense):
Interest expense	(17,171)		(14,142)		(12,925)		(12,392)		(56,630)
Interest income	2,900		2,954		2,927		2,847		11,628
Other, net	(9,758)		2,041		1,356		5,245		(1,116)
Total other income (expense)	(24,029)		(9,147)		(8,642)		(4,300)		(46,118)
Income (loss) before income taxes	(35,312)		19,991		22,540		91,407		98,626
Income tax expense (benefit)	(10,885)		5,916		6,674		24,261		25,966
Net income (loss)	$	(24,427)	$	14,075	$	15,866	$	67,146	$	72,660
Earnings (loss) per share
Basic	$	(0.21)	$	0.12	$	0.14	$	0.57	$	0.62
Diluted	$	(0.21)	$	0.12	$	0.13	$	0.56	$	0.62

(1)The cost of revenue excludes charges for depreciation but includes amortization of purchased and developed software for resale.


	Quarter Ended								Year Ended
	March 31, 2019		June 30, 2019		September 30, 2019		December 31, 2019		December 31, 2019
Revenues:
Software as a service and platform as a service	$	108,557	$	172,499	$	192,952	$	203,661	$	677,669
License	21,078		52,541		92,058		122,584		288,261
Maintenance	55,111		51,922		52,638		53,738		213,409
Services	21,109		20,656		17,253		19,937		78,955
Total revenues	205,855		297,618		354,901		399,920		1,258,294
Operating expenses:
Cost of revenue (1)	114,941		155,240		174,168		173,104		617,453
Research and development	36,194		39,235		36,543		34,601		146,573
Selling and marketing	29,430		32,962		30,417		30,875		123,684
General and administrative	31,517		49,319		27,286		27,174		135,296
Depreciation and amortization	21,866		26,744		31,169		31,753		111,532
Total operating expenses	233,948		303,500		299,583		297,507		1,134,538
Operating income (loss)	(28,093)		(5,882)		55,318		102,413		123,756
Other income (expense):
Interest expense	(11,614)		(15,323)		(18,987)		(18,109)		(64,033)
Interest income	3,033		2,997		2,988		2,949		11,967
Other, net	(1,912)		1,402		(2,369)		3,399		520
Total other income (expense)	(10,493)		(10,924)		(18,368)		(11,761)		(51,546)
Income (loss) before income taxes	(38,586)		(16,806)		36,950		90,652		72,210
Income tax expense (benefit)	(12,623)		(22,531)		5,136		35,166		5,148
Net income (loss)	$	(25,963)	$	5,725	$	31,814	$	55,486	$	67,062
Earnings (loss) per share
Basic	$	(0.22)	$	0.05	$	0.27	$	0.48	$	0.58
Diluted	$	(0.22)	$	0.05	$	0.27	$	0.47	$	0.57

(1)The cost of revenue excludes charges for depreciation but includes amortization of purchased and developed software for resale.

Nature of Business and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands		12 Months Ended
	Jul. 23, 2019	Dec. 31, 2020	Dec. 31, 2019	Jan. 01, 2019
Summary of Significant Accounting Policies [Line Items]
Amount of off balance sheet settlement funds		$ 246,800	$ 274,000
Operating lease right-of-use assets		41,243	57,382
Operating lease liability		$ 53,396	61,815
Accounting Standards Update 2016-02
Summary of Significant Accounting Policies [Line Items]
Operating lease right-of-use assets				$ 63,300
Operating lease liability				$ 68,600
Level 2 \| Senior Notes \| 5.750% Senior Notes due 2026
Summary of Significant Accounting Policies [Line Items]
Stated interest rate (percentage)		5.75%
Fair value of long-term debt		$ 424,500	432,000
India Payment Technology and Services Company
Summary of Significant Accounting Policies [Line Items]
Payments to acquire investment interest	$ 18,300
Percentage of voting interests acquired	30.00%
India Payment Technology and Services Company \| Other Noncurrent Assets
Summary of Significant Accounting Policies [Line Items]
Equity method investment, carrying amount		$ 19,300	$ 18,500
Software for resale \| Minimum
Summary of Significant Accounting Policies [Line Items]
Estimated useful life		5 years
Software for resale \| Maximum
Summary of Significant Accounting Policies [Line Items]
Estimated useful life		10 years
Software for internal use \| Minimum
Summary of Significant Accounting Policies [Line Items]
Estimated useful life		3 years
Software for internal use \| Maximum
Summary of Significant Accounting Policies [Line Items]
Estimated useful life		8 years
Other intangible assets \| Minimum
Summary of Significant Accounting Policies [Line Items]
Estimated useful life		4 years
Other intangible assets \| Maximum
Summary of Significant Accounting Policies [Line Items]
Estimated useful life		20 years

Nature of Business and Summary of Significant Accounting Policies - Summary of Other Current Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Other Current Liabilities
Operating lease liabilities	$ 13,438	$ 15,049
Vendor financed licenses	12,901	9,667
Accrued interest	8,745	9,212
Royalties payable	3,959	6,107
Other	42,569	36,936
Total other current liabilities	$ 81,612	$ 76,971

Nature of Business and Summary of Significant Accounting Policies - Summary of Property and Equipment Estimated Useful Lives and Balances (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 187,793	$ 206,606
Less: accumulated depreciation	(123,059)	(136,226)
Property and equipment, net	64,734	70,380
Computer and office equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 133,346	143,942
Computer and office equipment \| Minimum
Property, Plant and Equipment [Line Items]
Useful Lives	3 years
Computer and office equipment \| Maximum
Property, Plant and Equipment [Line Items]
Useful Lives	5 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 29,535	33,346
Useful Lives, description	Lesser of useful life of improvement or remaining life of lease
Building and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 14,588	14,553
Building and improvements \| Minimum
Property, Plant and Equipment [Line Items]
Useful Lives	7 years
Building and improvements \| Maximum
Property, Plant and Equipment [Line Items]
Useful Lives	30 years
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 8,539	12,980
Useful Lives	7 years
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,785	$ 1,785
Useful Lives, description	Non-depreciable

Nature of Business and Summary of Significant Accounting Policies - Summary of Changes in the Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Goodwill [Line Items]
Gross Balance, prior to beginning of period			$ 957,123
Total impairment prior to beginning of period			(47,432)
Goodwill [Roll Forward]
Balance, beginning of period	$ 1,280,525	$ 909,691
Goodwill from acquisitions		370,834
Goodwill from acquisitions, subsequent adjustment	(299)
Balance, end of period	1,280,226	1,280,525
ACI On Demand
Goodwill [Line Items]
Gross Balance, prior to beginning of period			183,783
Total impairment prior to beginning of period			0
Goodwill [Roll Forward]
Balance, beginning of period	554,617	183,783
Goodwill from acquisitions		370,834
Goodwill from acquisitions, subsequent adjustment	(299)
Balance, end of period	554,318	554,617
ACI On Premise
Goodwill [Line Items]
Gross Balance, prior to beginning of period			773,340
Total impairment prior to beginning of period			$ (47,432)
Goodwill [Roll Forward]
Balance, beginning of period	725,908	725,908
Goodwill from acquisitions		0
Goodwill from acquisitions, subsequent adjustment	0
Balance, end of period	$ 725,908	$ 725,908

Revenue - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Revenue [Line Items]
Software license arrangements, warranty period	90 days
Software license arrangements, initial post contract customer support period	1 year
Revenue allocated to remaining performance obligations	$ 846.9
Revenue allocated to remaining performance obligations, percentage to be recognized over the next 12 months	50.00%
Performance obligation satisfied in previous periods	$ 39.3
Costs to Obtain a Contract
Revenue [Line Items]
Capitalized costs to obtain or fulfill a contract, minimum amortization period	1 year
Capitalized costs to obtain or fulfill a contract, current	$ 1.3	$ 0.5
Capitalized costs to obtain or fulfill a contract, noncurrent	6.2	6.9
Costs to Obtain a Contract \| Selling and Marketing
Revenue [Line Items]
Capitalized costs to obtain or fulfill a contract, amortization expense	4.7	6.6
Costs to Fulfill a Contract
Revenue [Line Items]
Capitalized costs to obtain or fulfill a contract, current	0.1	0.2
Capitalized costs to obtain or fulfill a contract, noncurrent	9.5	10.2
Costs to Fulfill a Contract \| Cost of Revenue
Revenue [Line Items]
Capitalized costs to obtain or fulfill a contract, amortization expense	$ 4.4	$ 5.9

Revenue - Summary of Total Receivables, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenue from Contract with Customer [Abstract]
Billed receivables	$ 179,177	$ 213,654
Allowance for doubtful accounts	(3,912)	(5,149)	$ (3,912)	$ (4,799)
Billed receivables, net	175,265	208,505
Current accrued receivables, net	167,614	150,692
Long-term accrued receivables, net	215,772	213,041
Total accrued receivables, net	383,386	363,733
Total receivables, net	$ 558,651	$ 572,238

Revenue - Summary of Allowance for Doubtful Accounts Receivable (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	$ (5,149)	$ (3,912)	$ (4,799)
Provision (increase) decrease	374	(2,561)	(1,505)
Amounts written off, net of recoveries	941	1,368	2,269
Foreign currency translation adjustments and other	(78)	(44)	123
Balance, end of period	$ (3,912)	$ (5,149)	$ (3,912)

Revenue - Summary of Changes in Deferred Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Change in Contract with Customer, Liability [Roll Forward]
Deferred revenue, beginning balance	$ 118,939	$ 156,135
Deferral of revenue	149,363	149,253
Recognition of deferred revenue	(141,313)	(187,069)
Foreign currency translation	2,424	620
Deferred revenue, ending balance	$ 129,413	$ 118,939

Acquisition - Additional Information (Details) customer in Thousands			12 Months Ended
	Oct. 01, 2019 USD ($)	May 09, 2019 USD ($) customer	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Apr. 05, 2019 USD ($)
Revolving Credit Facility \| Credit Agreement
Business Acquisition [Line Items]
Line of credit, carrying amount			$ 55,000,000.0
RevChip and Transend
Business Acquisition [Line Items]
Asset acquisition purchase price	$ 7,000,000.0
SpeedPay
Business Acquisition [Line Items]
Acquisition purchase price		$ 754,100,000
Acquisition-related costs				$ 22,200,000
Acquisition-related revenue			$ 329,200,000	227,700,000
Acquisition-related operating income				$ 24,900,000
SpeedPay \| Delayed Draw Term Loan \| Credit Agreement \| Bank of America
Business Acquisition [Line Items]
Debt instrument, face amount					$ 500,000,000.0
SpeedPay \| Revolving Credit Facility \| Credit Agreement \| Bank of America
Business Acquisition [Line Items]
Line of credit, carrying amount					$ 250,000,000.0
SpeedPay \| U.S
Business Acquisition [Line Items]
Number of customers \| customer		4

Acquisition - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Noncurrent assets:
Goodwill	$ 1,280,226	$ 1,280,525	$ 909,691
SpeedPay
Current assets:
Cash and cash equivalents	135
Receivables, net of allowances	17,658
Settlement assets	239,604
Prepaid expenses	317
Other current assets	19,585
Total current assets acquired	277,299
Noncurrent assets:
Goodwill	366,508
Other noncurrent assets	3,745
Total assets acquired	980,552
Current liabilities:
Accounts payable	6,623
Settlement liabilities	212,892
Employee compensation	1,959
Other current liabilities	3,802
Total current liabilities acquired	225,276
Noncurrent liabilities:
Other noncurrent liabilities	1,219
Total liabilities acquired	226,495
Net assets acquired	754,057
SpeedPay \| Software
Noncurrent assets:
Finite-lived intangibles assets	$ 113,600
Weighted Average Useful Lives	7 years
SpeedPay \| Customer relationships
Noncurrent assets:
Finite-lived intangibles assets	$ 208,500
Weighted Average Useful Lives	15 years
SpeedPay \| Trade names
Noncurrent assets:
Finite-lived intangibles assets	$ 10,900
Weighted Average Useful Lives	5 years

Acquisition - Summary of Unaudited Pro Forma Financial Information (Details) - SpeedPay - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Pro forma revenue	$ 1,382,957	$ 1,361,729
Pro forma net income	$ 82,003	$ 88,428
Pro forma income per share:
Basic (in dollars per share)	$ 0.71	$ 0.76
Diluted (in dollars per share)	$ 0.69	$ 0.75

Debt - Additional Information (Details)		12 Months Ended
Debt - Additional Information (Details)	Apr. 05, 2019 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Aug. 12, 2020 USD ($)	Aug. 21, 2018 USD ($)	Feb. 24, 2017
Debt Instrument [Line Items]
Long-term debt, amount outstanding		$ 1,172,110,000
Payment for debt issuance costs		$ 0	$ (12,830,000)	$ (7,319,000)
Credit Agreement
Debt Instrument [Line Items]
Effective interest rate (percentage)		2.15%
Credit Agreement \| Maximum
Debt Instrument [Line Items]
Consolidated total net leverage ratio	5.00						4.25
Credit Agreement \| Parent Company and Domestic Subsidiaries
Debt Instrument [Line Items]
Percentage of capital stock pledged as collateral		100.00%
Credit Agreement \| Foreign Subsidiaries
Debt Instrument [Line Items]
Percentage of capital stock pledged as collateral		65.00%
Credit Agreement \| Base Rate \| Option (a) \| Minimum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.25%
Credit Agreement \| Base Rate \| Option (a) \| Maximum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		1.25%
Credit Agreement \| Federal Funds Effective Swap Rate \| Option (a)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.50%
Credit Agreement \| LIBOR \| Option (a)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		1.00%
Credit Agreement \| LIBOR \| Option (b) \| Minimum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		1.25%
Credit Agreement \| LIBOR \| Option (b) \| Maximum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		2.25%
Revolving Credit Facility \| Credit Agreement
Debt Instrument [Line Items]
Line of credit, amount outstanding		$ 55,000,000.0
Unused borrowings		443,500,000
Debt instrument, term	5 years
Credit facility, maximum borrowing capacity	$ 500,000,000.0				$ 498,500,000
Revolving Credit Facility \| Credit Agreement \| Letter of Credit
Debt Instrument [Line Items]
Unused borrowings		1,500,000			$ 1,500,000
Term Loans \| Credit Agreement
Debt Instrument [Line Items]
Long-term debt, amount outstanding		717,100,000
Term Loans \| Credit Agreement \| Maximum
Debt Instrument [Line Items]
Consolidated senior secured net leverage ratio	3.75						3.50
Initial Term Loan \| Credit Agreement
Debt Instrument [Line Items]
Debt instrument, face amount	$ 279,000,000.0
Debt instrument, term	5 years
Delayed Draw Term Loan \| Credit Agreement
Debt Instrument [Line Items]
Debt instrument, face amount	$ 500,000,000.0	500,000,000.0
Payment for debt issuance costs		(12,800,000)
Debt instrument, term	5 years
Senior Notes \| 5.750% Senior Notes, due August 2026
Debt Instrument [Line Items]
Long-term debt, amount outstanding		400,000,000.0
Debt instrument, face amount						$ 400,000,000.0
Payment for debt issuance costs				$ (7,300,000)
Issue price percentage of senior notes of the principal amount						100.00%
Stated interest rate (percentage)						5.75%
Senior Notes \| 6.375% Senior Notes, due August 2020
Debt Instrument [Line Items]
Stated interest rate (percentage)						6.375%
Line of Credit \| Overdraft Facility
Debt Instrument [Line Items]
Line of credit facility, amount available		100,000,000.0
Line of credit facility, amount outstanding		$ 0	1,500,000
Line of Credit \| Overdraft Facility \| LIBOR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		2.25%
Other \| Multi-year License Agreement
Debt Instrument [Line Items]
Other long-term debt, multi-year license agreements entered into during the period			10,400,000
Other long-term debt, amount outstanding		$ 7,800,000	13,800,000
Other \| Multi-year License Agreement \| Other Current Liabilities
Debt Instrument [Line Items]
Other long-term debt, current		5,600,000	6,000,000.0
Other \| Multi-year License Agreement \| Other Noncurrent Liabilities
Debt Instrument [Line Items]
Other long-term debt, noncurrent		$ 2,200,000	$ 7,800,000

Debt - Schedule of Maturities on Long-Term Debt Outstanding (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Debt Disclosure [Abstract]
2021	$ 38,950
2022	50,431
2023	69,906
2024	612,823
2025	0
Thereafter	400,000
Total	$ 1,172,110

Debt - Summary of Total Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Aug. 21, 2018
Debt Instrument [Line Items]
Total debt	$ 1,155,007	$ 1,373,155
Debt issuance costs	(17,103)	(21,905)
Less: current portion of term loans	34,265	34,148
Less: current portion of debt issuance costs	(4,685)	(4,802)
Total long-term debt	1,120,742	1,339,007
Term Loans
Debt Instrument [Line Items]
Total debt	717,110	756,060
Less: current portion of term loans	38,950	38,950
Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Total debt	55,000	239,000
Senior Notes \| 5.750% Senior Notes, due August 2026
Debt Instrument [Line Items]
Total debt	$ 400,000	$ 400,000
Stated interest rate (percentage)			5.75%

Software and Other Intangible Assets - Summary of Carrying Amount and Accumulated Amortization of Software Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 560,591	$ 538,888
Accumulated Amortization	(364,135)	(304,371)
Net Balance	196,456	234,517
Software for resale
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	130,261	138,823
Accumulated Amortization	(123,418)	(122,061)
Net Balance	6,843	16,762
Software amortization expense	8,500	11,000	$ 12,800
Software for internal use
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	430,330	400,065
Accumulated Amortization	(240,717)	(182,310)
Net Balance	189,613	217,755
Software amortization expense	$ 70,000	$ 55,600	$ 41,700

Software and Other Intangible Assets - Summary of Carrying Amount and Accumulated Amortization of Other Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 536,504	$ 535,097
Accumulated Amortization	(214,521)	(178,128)
Total	321,983	356,969
Other intangible assets amortization expense	37,100	31,900	$ 19,000
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	512,389	507,785
Accumulated Amortization	(197,787)	(160,775)
Total	314,602	347,010
Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	24,115	27,312
Accumulated Amortization	(16,734)	(17,353)
Total	$ 7,381	$ 9,959

Software and Other Intangible Assets - Summary of Estimated Amortization Expense for Future Fiscal Years Based on Capitalized Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Total	$ 321,983	$ 356,969
Software Amortization
Finite-Lived Intangible Assets [Line Items]
2021	67,599
2022	50,179
2023	32,004
2024	20,608
2025	18,354
Thereafter	7,712
Total	196,456
Other Intangible Assets Amortization
Finite-Lived Intangible Assets [Line Items]
2021	37,062
2022	36,903
2023	36,564
2024	32,044
2025	23,452
Thereafter	155,958
Total	$ 321,983

Stock-Based Compensation Plans - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jun. 09, 2020	Jun. 14, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 29,602,000	$ 36,763,000	$ 20,360,000
Stock-based compensation expense, tax benefits	5,400,000	5,900,000	$ 3,900,000
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value of stock options granted (in dollars per share)			$ 7.03
Total intrinsic value of stock options exercised	19,500,000	16,000,000.0	$ 15,800,000
Unrecognized compensation costs	$ 100,000
Unrecognized compensation costs, weighted average recognition periods	2 months 12 days
Stock Options \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of award	1 year
Stock Options \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of award	10 years
LTIP Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation awards, award payout range, maximum	200.00%
Number of shares vested	668,240
Shares withheld to pay employees' portion of minimum payroll withholding taxes	165,237
LTIP Performance Shares \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance period	1 year
LTIP Performance Shares \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance period	3 years
Restricted Share Awards (RSAs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares vested	88,913
Shares withheld to pay employees' portion of minimum payroll withholding taxes	28,233
Requisite service period	3 years
Award vesting rights, incremental vesting percentage on anniversary of grant date	33.00%
Total Shareholder Return Awards (TSRs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance period	3 years
Stock based compensation awards, award payout range, minimum	0.00%
Stock based compensation awards, award payout range, maximum	200.00%
Number of shares vested	199,413
Performance shares payout rate	93.00%
Shares withheld to pay employees' portion of minimum payroll withholding taxes	53,033
Unrecognized compensation costs	$ 17,600,000
Unrecognized compensation costs, weighted average recognition periods	1 year 10 months 24 days
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares vested	431,504
Shares withheld to pay employees' portion of minimum payroll withholding taxes	121,564
Requisite service period	3 years
Award vesting rights, incremental vesting percentage on anniversary of grant date	33.00%
Unrecognized compensation costs	$ 18,900,000
Unrecognized compensation costs, weighted average recognition periods	1 year 9 months 18 days
Restricted Stock Units (RSUs) \| Board Member
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	1 year
2017 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares of common stock reserved for issuance	3,000,000
Purchase of common stock under the plan, employee annual base compensation, amount	$ 25,000
Purchase of common stock under the plan, employee annual base compensation, percentage	10.00%
Price of common stock purchased under ESPP, percentage	85.00%
Discount offered pursuant to ESPP, percentage	15.00%
Stock-based compensation expense	$ 700,000	$ 600,000	$ 500,000
2020 Equity and Incentive Compensation Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant				6,658,754
2016 Equity and Performance Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares of common stock reserved for issuance	8,000,000
Maximum aggregate number of shares allowed per participant during any calendar year	3,000,000
Maximum aggregate value allowed per participant on the date of grant during any calendar year	$ 9,000,000
2005 Equity and Performance Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares of common stock reserved for issuance					23,250,000

Stock-Based Compensation Plans - Summary of Stock Option Activity (Details)	12 Months Ended
	Dec. 31, 2020 USD ($) $ / shares shares
Number of Shares
Outstanding, beginning balance (in shares) \| shares	4,006,816
Exercised (in shares) \| shares	(1,756,471)
Forfeited (in shares) \| shares	(57,744)
Expired (in shares) \| shares	(6,090)
Outstanding, ending balance (in shares) \| shares	2,186,511
Exercisable, ending balance (in shares) \| shares	2,039,275
Weighted Average Exercise Price
Beginning balance (in dollars per share) \| $ / shares	$ 18.18
Exercised (in dollars per share) \| $ / shares	18.53
Forfeited (in dollars per share) \| $ / shares	19.08
Expired (in dollars per share) \| $ / shares	18.44
Ending balance (in dollars per share) \| $ / shares	17.87
Weighted average exercise price, exercisable, ending balance (in dollars per share) \| $ / shares	$ 17.72
Weighted Average Remaining Contractual Term (Years)
Weighted average remaining contractual term, outstanding, end of period (in years)	3 years 11 months 15 days
Weighted average remaining contractual term, exercisable, end of period (in years)	4 years 1 month 28 days
Aggregate Intrinsic Value of In-the-Money Options
Aggregate intrinsic value of in-the-money options, outstanding, end of period \| $	$ 44,944,958
Aggregate intrinsic value of in-the-money options, exercisable, end of period \| $	$ 42,231,530

Stock-Based Compensation Plans - Summary of Grant Date Fair Value Weighted Average Assumptions - Options (Details) - Black-Scholes Option-Pricing Model - Stock Options	12 Months Ended
	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life (years)	5 years 7 months 6 days
Risk-free interest rate	2.70%
Expected volatility	26.40%
Expected dividend yield	0.00%

Stock-Based Compensation Plans - Summary of Nonvested LTIP Performance Shares (Details) - LTIP Performance Shares	12 Months Ended
	Dec. 31, 2020 $ / shares shares
Number of Shares at Expected Attainment
Nonvested, beginning balance (in shares) \| shares	669,469
Vested (in shares) \| shares	(668,240)
Forfeited (in shares) \| shares	(5,368)
Change in expected attainment (in shares) \| shares	4,139
Nonvested, ending balance (in shares) \| shares	0
Weighted Average Grant Date Fair Value
Nonvested, beginning balance (in dollars per share) \| $ / shares	$ 20.12
Vested (in dollars per share) \| $ / shares	20.12
Forfeited (in dollars per share) \| $ / shares	20.12
Change in expected attainment (in dollars per share) \| $ / shares	20.12
Nonvested, ending balance (in dollars per share) \| $ / shares	$ 0

Stock-Based Compensation Plans - Summary of Nonvested RSAs (Details) - Restricted Share Awards (RSAs)	12 Months Ended
	Dec. 31, 2020 $ / shares shares
Number of Shares
Nonvested, beginning balance (in shares) \| shares	92,842
Vested (in shares) \| shares	(88,913)
Forfeited (in shares) \| shares	(3,929)
Nonvested, ending balance (in shares) \| shares	0
Weighted Average Grant Date Fair Value
Nonvested, beginning balance (in dollars per share) \| $ / shares	$ 20.13
Vested (in dollars per share) \| $ / shares	20.12
Forfeited (in dollars per share) \| $ / shares	20.35
Nonvested, ending balance (in dollars per share) \| $ / shares	$ 0

Stock-Based Compensation Plans - Summary of Nonvested TSRs (Details) - Total Shareholder Return Awards (TSRs)	12 Months Ended
	Dec. 31, 2020 $ / shares shares
Number of Shares at Expected Attainment
Nonvested, beginning balance (in shares) \| shares	1,062,291
Granted (in shares) \| shares	677,195
Vested (in shares) \| shares	(199,413)
Forfeited (in shares) \| shares	(158,086)
Change in payout rate (in shares) \| shares	(14,259)
Nonvested, ending balance (in shares) \| shares	1,367,728
Weighted Average Grant Date Fair Value
Nonvested, beginning balance (in dollars per share) \| $ / shares	$ 35.77
Granted (in dollars per share) \| $ / shares	30.01
Vested (in dollars per share) \| $ / shares	24.37
Forfeited (in dollars per share) \| $ / shares	36.69
Change in payout rate (in dollars per share) \| $ / shares	24.37
Nonvested, ending balance (in dollars per share) \| $ / shares	$ 34.59

Stock-Based Compensation Plans - Summary of Grant Date Fair Value Weighted Average Assumptions - TSRs (Details) - Total Shareholder Return Awards (TSRs) - Monte Carlo Simulation Model	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life (years)	2 years 9 months 18 days	2 years 9 months 18 days	2 years 10 months 24 days
Risk-free interest rate	0.50%	2.50%	2.40%
Expected volatility	31.40%	29.30%	28.00%
Expected dividend yield	0.00%	0.00%	0.00%

Stock-Based Compensation Plans - Summary of Nonvested RSUs (Details) - Restricted Stock Units (RSUs)	12 Months Ended
	Dec. 31, 2020 $ / shares shares
Number of Shares
Nonvested, beginning balance (in shares) \| shares	1,009,404
Granted (in shares) \| shares	816,543
Vested (in shares) \| shares	(431,504)
Forfeited (in shares) \| shares	(276,261)
Nonvested, ending balance (in shares) \| shares	1,118,182
Weighted Average Grant Date Fair Value
Nonvested, beginning balance (in dollars per share) \| $ / shares	$ 29.96
Granted (in dollars per share) \| $ / shares	25.72
Vested (in dollars per share) \| $ / shares	29.60
Forfeited (in dollars per share) \| $ / shares	28.57
Nonvested, ending balance (in dollars per share) \| $ / shares	$ 27.34

Common Stock and Treasury Stock - Additional Information (Details) - USD ($)	12 Months Ended			34 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2020	Feb. 28, 2018
Equity [Abstract]
Repurchase program, amount approved for repurchase					$ 200,000,000.0
Repurchase program, shares repurchased (in shares)	1,000,000	1,228,102	2,346,427	46,357,495
Repurchase program, shares repurchased, value	$ 28,881,000	$ 35,617,000	$ 54,527,000	$ 612,300,000
Repurchase program, maximum remaining amont authorized for purchase	$ 112,100,000			$ 112,100,000

Common Stock and Treasury Stock - Class of Treasury Stock (Details) - shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Equity, Class of Treasury Stock [Line Items]
Treasury shares issued (in shares)	3,207,170	1,241,141	1,538,224
Stock Options
Equity, Class of Treasury Stock [Line Items]
Treasury shares issued (in shares)	1,756,471	854,524	1,379,704
Long-term Incentive Program Performance Share Awards (LTIPs)
Equity, Class of Treasury Stock [Line Items]
Treasury shares issued (in shares)	668,240	0	0
Total Shareholder Return Awards (TSRs)
Equity, Class of Treasury Stock [Line Items]
Treasury shares issued (in shares)	199,413	0	0
Restricted Stock Units (RSUs)
Equity, Class of Treasury Stock [Line Items]
Treasury shares issued (in shares)	431,504	259,634	10,000
Employee Stock Purchase Plan (ESPP)
Equity, Class of Treasury Stock [Line Items]
Treasury shares issued (in shares)	151,542	126,983	148,520

Earnings Per Share - Reconciliation of Average Share Amounts used to Compute Both Basic and Diluted Earnings Per Share (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Weighted average shares outstanding:
Basic weighted average shares outstanding (in shares)	116,397	116,175	116,057
Add: Dilutive effect of stock options, RSUs, and contingently issuable shares (in shares)	1,682	2,396	1,575
Diluted weighted average shares outstanding (in shares)	118,079	118,571	117,632

Earnings Per Share - Additional Information (Details) - shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Earnings Per Share [Abstract]
Antidilutive securities excluded from earnings (loss) per share, options to purchase shares, RSUs, and contingently issuable shares (in shares)	1,500,000	1,800,000	2,200,000
Common stock outstanding (in shares)	117,112,185	115,986,352

Other, Net - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Other Income and Expenses [Abstract]
Other income (expense), net	$ 5,245	$ 1,356	$ 2,041	$ (9,758)	$ 3,399	$ (2,369)	$ 1,402	$ (1,912)	$ (1,116)	$ 520	$ (3,724)

Segment Information - Selected Financial Data (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Revenues									$ 1,294,322	$ 1,258,294	$ 1,009,780
Depreciation and amortization									140,316	122,569	97,350
Stock-based compensation expense									29,602	36,763	20,360
Corporate and unallocated expenses									(125,258)	(104,718)	(92,296)
Interest, net									(45,002)	(52,066)	(30,388)
Other, net	$ 5,245	$ 1,356	$ 2,041	$ (9,758)	$ 3,399	$ (2,369)	$ 1,402	$ (1,912)	(1,116)	520	(3,724)
Income before income taxes	$ 91,407	$ 22,540	$ 19,991	$ (35,312)	$ 90,652	$ 36,950	$ (16,806)	$ (38,586)	98,626	72,210	91,799
Operating Segments \| ACI On Demand
Segment Reporting Information [Line Items]
Revenues									769,180	678,960	433,025
Segment Adjusted EBITDA									149,610	66,501	12,015
Depreciation and amortization									40,594	34,395	31,541
Stock-based compensation expense									8,852	7,995	4,338
Operating Segments \| ACI On Premise
Segment Reporting Information [Line Items]
Revenues									525,142	579,334	576,755
Segment Adjusted EBITDA									290,310	321,305	323,902
Depreciation and amortization									13,207	11,992	11,634
Stock-based compensation expense									8,872	7,651	4,348
Corporate and other
Segment Reporting Information [Line Items]
Depreciation and amortization									86,515	76,182	54,175
Stock-based compensation expense									$ 11,878	$ 21,117	$ 11,674

Segment Information - Selected Financial Data, Revenues and Long lived Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 1,294,322	$ 1,258,294	$ 1,009,780
Long lived assets
Long-lived Assets	2,174,513	2,285,547
Bill Payments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	586,047	510,300	275,526
Digital Channels
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	75,707	77,711	75,573
Merchant Payments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	108,727	102,897	95,403
Payments Intelligence
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	62,065	69,809	83,683
Real-Time Payments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	81,060	100,609	94,261
Issuing and Acquiring
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	380,716	396,968	385,334
Americas - United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	830,511	781,820	500,479
Long lived assets
Long-lived Assets	1,423,862	1,526,046
Americas - Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	73,094	77,370	71,546
EMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	293,226	301,664	345,046
Asia Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	97,491	97,440	92,709
Other
Long lived assets
Long-lived Assets	750,651	759,501
Operating Segments \| ACI On Demand
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	769,180	678,960	433,025
Operating Segments \| ACI On Demand \| Bill Payments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	586,047	510,300	275,526
Operating Segments \| ACI On Demand \| Digital Channels
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	46,269	44,731	40,342
Operating Segments \| ACI On Demand \| Merchant Payments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	84,997	77,204	64,956
Operating Segments \| ACI On Demand \| Payments Intelligence
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	40,495	36,019	41,330
Operating Segments \| ACI On Demand \| Real-Time Payments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	3,902	3,456	2,193
Operating Segments \| ACI On Demand \| Issuing and Acquiring
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	7,470	7,250	8,678
Operating Segments \| ACI On Premise
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	525,142	579,334	576,755
Operating Segments \| ACI On Premise \| Bill Payments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0	0
Operating Segments \| ACI On Premise \| Digital Channels
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	29,438	32,980	35,231
Operating Segments \| ACI On Premise \| Merchant Payments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	23,730	25,693	30,447
Operating Segments \| ACI On Premise \| Payments Intelligence
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	21,570	33,790	42,353
Operating Segments \| ACI On Premise \| Real-Time Payments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	77,158	97,153	92,068
Operating Segments \| ACI On Premise \| Issuing and Acquiring
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	373,246	389,718	376,656
Operating Segments \| Americas - United States \| ACI On Demand
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	687,923	609,160	369,097
Operating Segments \| Americas - United States \| ACI On Premise
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	142,588	172,660	131,382
Operating Segments \| Americas - Other \| ACI On Demand
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	11,561	9,350	9,577
Operating Segments \| Americas - Other \| ACI On Premise
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	61,533	68,020	61,969
Operating Segments \| EMEA \| ACI On Demand
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	58,857	50,629	48,889
Operating Segments \| EMEA \| ACI On Premise
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	234,369	251,035	296,157
Operating Segments \| Asia Pacific \| ACI On Demand
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	10,839	9,821	5,462
Operating Segments \| Asia Pacific \| ACI On Premise
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 86,652	$ 87,619	$ 87,247

Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Tax Act:
U.S. federal corporate income tax rate	21.00%	21.00%	21.00%	35.00%
Tax Act, provisional tax charge				$ 15,000
Tax Act, provisional tax charge, subsequent adjustment			$ 4,900
Tax Act, one-time transition tax on certain unremitted foreign earnings				20,900
Tax Act, one-time transition tax on certain unremitted foreign earnings, subsequent adjustment			8,100
Valuation Allowance:
Other	$ 9,051	$ 8,517
Tax credits	40,188	47,411
Valuation allowance, deferred tax asset, increase (decrease) in amount during the period		(12,800)
Income Tax Uncertainties:
Unrecognized tax benefit	24,310	29,000	28,406	$ 27,237
Net unrecognized tax benefits that, if recognized, would favorably impact the effective income tax rate	23,200	28,200
Increase (decrease) in unrecognized tax benefits due to the settlement of various audits and the expiration of statutes of limitations	(3,600)
Accrued interest and penalties related to income tax liabilities	1,200	1,200
Aggregate amount of interest and penalties expense (benefit) recorded in the statement of operations	100	200	(100)
Revision of Prior Period, Reclassification, Adjustment \| Deferred Tax Assets, Operating Lease
Valuation Allowance:
Other		13,000
Revision of Prior Period, Reclassification, Adjustment \| Deferred Tax Liabilities, Operating Lease Right-Of-Use Asset
Valuation Allowance:
Other		11,900
Revision of Prior Period, Reclassification, Adjustment \| Deferred Tax Assets, Other
Valuation Allowance:
Tax credits		5,500
Other Noncurrent Liabilities
Income Tax Uncertainties:
Unrecognized tax benefit	17,700	22,400
Foreign
Valuation Allowance:
Valuation allowance, deferred tax asset, increase (decrease) in amount during the period		$ (15,500)	$ 15,500
Operating Loss Carryforwards:
Operating loss carryforwards	25,000
Operating loss carryforwards, valuation allowance	700
Operating loss carryforwards, not subject to expiration	$ 22,800
Operating loss carryforwards, expiration period	10 years
Tax Credit Carryforward:
Tax credit carryfoward	$ 38,900
Tax credit carryforward, valuation allowance	2,300
Domestic Federal
Operating Loss Carryforwards:
Operating loss carryforwards	59,900
Domestic Federal \| General Business Tax Credit Carryforward
Tax Credit Carryforward:
Tax credit carryfoward	17,100
State
Operating Loss Carryforwards:
Operating loss carryforwards, deferred tax asset, subject to expiration	1,500
Operating loss carryforwards, valuation allowance	1,200
State \| General Business Tax Credit Carryforward
Tax Credit Carryforward:
Tax credit carryfoward	800
Other Foreign Jurisdiction
Tax Credit Carryforward:
Tax credit carryfoward	2,300
Tax credit carryforward, valuation allowance	1,200
Tax credit carryforward, not subject to expiration	$ 1,100
Tax credit carryforward, expiration period	7 years

Income Taxes - Components of Income Before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
United States									$ 19,405	$ (16,317)	$ 16,312
Foreign									79,221	88,527	75,487
Income before income taxes	$ 91,407	$ 22,540	$ 19,991	$ (35,312)	$ 90,652	$ 36,950	$ (16,806)	$ (38,586)	$ 98,626	$ 72,210	$ 91,799

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Income Taxes - Summary of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Federal
Current									$ (2,683)	$ 3,738	$ 6,545
Deferred									(3,477)	(25,150)	(6,587)
Total									(6,160)	(21,412)	(42)
State
Current									2,514	590	4,441
Deferred									(1,758)	342	(2,649)
Total									756	932	1,792
Foreign
Current									22,786	22,960	17,626
Deferred									8,584	2,668	3,502
Total									31,370	25,628	21,128
Income tax provision	$ 24,261	$ 6,674	$ 5,916	$ (10,885)	$ 35,166	$ 5,136	$ (22,531)	$ (12,623)	$ 25,966	$ 5,148	$ 22,878

Income Taxes - Summary of Differences Between Income Tax Expense Computed at Statutory Federal Income Tax Rate and Per Consolidated Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Tax expense at federal rate of 21%									$ 20,711	$ 15,164	$ 19,278
State income taxes, net of federal benefit									321	1,227	5,246
Change in valuation allowance									2,459	(12,760)	12,657
Foreign tax rate differential									(1,809)	(2,535)	(4,796)
Unrecognized tax benefit increase (decrease)									(4,405)	898	1,262
Tax effect of foreign operations									11,373	6,698	8,546
Tax benefit of research & development									(2,173)	(2,506)	(2,557)
Transition tax									0	0	(8,112)
Revaluation of deferred tax balances									0	0	(4,937)
Performance-based compensation									(2,624)	(560)	(4,541)
Other									2,113	(478)	832
Income tax provision	$ 24,261	$ 6,674	$ 5,916	$ (10,885)	$ 35,166	$ 5,136	$ (22,531)	$ (12,623)	$ 25,966	$ 5,148	$ 22,878

Income Taxes - Summary of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Deferred income tax assets:
Net operating loss carryforwards	$ 20,347	$ 23,030
Tax credits	40,188	47,411
Compensation	18,731	18,791
Deferred revenue	19,169	25,599
Operating lease	10,162	12,956
Other	9,051	8,517
Gross deferred income tax assets	117,648	136,304
Less: valuation allowance	(10,112)	(7,653)
Net deferred income tax assets	107,536	128,651
Deferred income tax liabilities:
Depreciation and amortization	(48,967)	(52,978)
Operating lease right-of-use asset	(7,650)	(11,917)
Deferred revenue	(33,947)	(44,198)
Total deferred income tax liabilities	(90,564)	(109,093)
Net deferred income taxes	16,972	19,558
Deferred income taxes / liabilities included in the balance sheet are:
Deferred income tax asset – noncurrent	57,476	51,611
Deferred income tax liability – noncurrent	(40,504)	(32,053)
Net deferred income taxes	$ 16,972	$ 19,558

Income Taxes - Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Reconciliation of Unrecognized Tax Benefits
Balance of unrecognized tax benefits at beginning of year	$ 29,000	$ 28,406	$ 27,237
Increases for tax positions of prior years	4,219	2,784	315
Decreases for tax positions of prior years	0	(96)	(61)
Increases for tax positions established for the current period	3,912	2,542	1,185
Decreases for settlements with taxing authorities	(285)	(220)	0
Reductions resulting from lapse of applicable statute of limitation	(12,630)	(4,462)	(115)
Adjustment resulting from foreign currency translation	94	46	(155)
Balance of unrecognized tax benefits at end of year	$ 24,310	$ 29,000	$ 28,406

Leases - Additional Information (Details)	12 Months Ended
Leases - Additional Information (Details)	Dec. 31, 2020
Lessee, Lease, Description [Line Items]
Option to terminate, term	1 year
Maximum
Lessee, Lease, Description [Line Items]
Renewal option, term	25 years

Leases - Summary of Components of Lease Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease cost	$ 25,148	$ 18,486
Variable lease cost	3,588	3,756
Sublease income	(134)	(528)
Total lease cost	$ 28,602	$ 21,714

Leases - Summary of Supplemental Cash Flow Information Related to Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 18,827	$ 19,578
Right-of-use assets obtained in exchange for new lease obligations:
Operating leases	$ 11,431	$ 10,478

Leases - Summary of Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Assets:
Operating lease right-of-use assets	$ 41,243	$ 57,382
Liabilities:
Other current liabilities	13,438	15,049
Operating lease liabilities	39,958	46,766
Total operating lease liabilities	$ 53,396	$ 61,815
Weighted average remaining operating lease term (years)	6 years 3 days	6 years 6 months 29 days
Weighted average operating lease discount rate	3.67%	4.00%
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesCurrent	us-gaap:OtherLiabilitiesCurrent

Leases - Schedule of Maturities on Lease Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
2021	$ 15,116
2022	12,991
2023	10,436
2024	5,545
2025	4,016
Thereafter	11,573
Total lease payments	59,677
Less: imputed interest	6,281
Total lease liability	$ 53,396	$ 61,815

Employee Benefit Plans - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
ACI 401(k) Plan
Schedule Of Defined Contribution Plans Disclosures [Line Items]
Defined contribution plan, maximum annual contribution per employee, percentage	75.00%
Defined contribution plan, employer matching contribution, percentage of match	100.00%
Defined contribution plan, employer matching contribtuion, percent of eligible participant contributions	4.00%
Defined contribution plan, employer matching contribution, maximum amount per employee	$ 5,000
Defined contribution plan, cost	6,300,000	$ 6,400,000	$ 6,400,000
ACI 401(k) Plan \| Employees under Age 50
Schedule Of Defined Contribution Plans Disclosures [Line Items]
Defined contribution plan, maximum annual contribution per employee, amount	19,500
ACI 401(k) Plan \| Employees Aged 50 or Older
Schedule Of Defined Contribution Plans Disclosures [Line Items]
Defined contribution plan, maximum annual contribution per employee, amount	$ 26,000
ACI 401(k) Plan \| Second Eligible Participant Contributions
Schedule Of Defined Contribution Plans Disclosures [Line Items]
Defined contribution plan, employer matching contribution, percentage of match	50.00%
ACI 401(k) Plan \| Second Eligible Participant Contributions \| Maximum
Schedule Of Defined Contribution Plans Disclosures [Line Items]
Defined contribution plan, employer matching contribtuion, percent of eligible participant contributions	4.00%
ACI Worldwide EMEA Group Personal Pension Scheme
Schedule Of Defined Contribution Plans Disclosures [Line Items]
Defined contribution plan, cost	$ 1,500,000	$ 1,500,000	$ 1,600,000
ACI Worldwide EMEA Group Personal Pension Scheme \| Employed at December 1, 2000
Schedule Of Defined Contribution Plans Disclosures [Line Items]
Defined contribution plan, employer discretionary contribution, percentage of eligible compensation	8.50%
ACI Worldwide EMEA Group Personal Pension Scheme \| Employees Aged Over 55 Years on December 1, 2000 \| Maximum
Schedule Of Defined Contribution Plans Disclosures [Line Items]
Defined contribution plan, employer discretionary contribution, percentage of eligible compensation	15.50%
ACI Worldwide EMEA Group Personal Pension Scheme \| Employed Subsequent to December 1, 2000 \| Minimum
Schedule Of Defined Contribution Plans Disclosures [Line Items]
Defined contribution plan, employer discretionary contribution, percentage of eligible compensation	6.00%
ACI Worldwide EMEA Group Personal Pension Scheme \| Employed Subsequent to December 1, 2000 \| Maximum
Schedule Of Defined Contribution Plans Disclosures [Line Items]
Defined contribution plan, employer discretionary contribution, percentage of eligible compensation	10.00%

Quarterly Financial Data (Unaudited) - Summary of Quarterly Financial Data (Unaudited) (Details) - USD ($)
$ / shares in Units, $ in Thousands

3 Months Ended

12 Months Ended

Dec. 31, 2020

Sep. 30, 2020

Jun. 30, 2020

Mar. 31, 2020

Dec. 31, 2019

Sep. 30, 2019

Jun. 30, 2019

Mar. 31, 2019

Dec. 31, 2020

Dec. 31, 2019

Dec. 31, 2018

Revenues:

General and administrative

$ 387,044

$ 315,883

$ 299,910

$ 291,485

$ 399,920

$ 354,901

$ 297,618

$ 205,855

$ 1,294,322

$ 1,258,294

$ 1,009,780

Operating expenses:

Cost of revenue

150,697

158,579

147,346

165,837

173,104

174,168

155,240

114,941

622,459

^[1]

617,453

^[1]

430,351

^[1]

Research and development

31,118

33,573

35,578

39,024

34,601

36,543

39,235

36,194

139,293

146,573

143,630

Selling and marketing

26,875

22,154

24,455

30,083

30,875

30,417

32,962

29,430

103,567

123,684

117,881

49,784

37,000

29,758

35,926

27,174

27,286

49,319

31,517

152,468

135,296

107,422

Depreciation and amortization

32,863

33,395

33,635

31,898

31,753

31,169

26,744

21,866

131,791

111,532

84,585

Total operating expenses

291,337

284,701

270,772

302,768

297,507

299,583

303,500

233,948

1,149,578

1,134,538

883,869

Operating income

95,707

31,182

29,138

(11,283)

102,413

55,318

(5,882)

(28,093)

144,744

123,756

125,911

Other income (expense):

Interest expense

(12,392)

(12,925)

(14,142)

(17,171)

(18,109)

(18,987)

(15,323)

(11,614)

(56,630)

(64,033)

(41,530)

Interest income

2,847

2,927

2,954

2,900

2,949

2,988

2,997

3,033

11,628

11,967

11,142

Other, net

5,245

1,356

2,041

(9,758)

3,399

(2,369)

1,402

(1,912)

(1,116)

520

(3,724)

Total other income (expense)

(4,300)

(8,642)

(9,147)

(24,029)

(11,761)

(18,368)

(10,924)

(10,493)

(46,118)

(51,546)

(34,112)

Income before income taxes

91,407

22,540

19,991

(35,312)

90,652

36,950

(16,806)

(38,586)

98,626

72,210

91,799

Income tax expense (benefit)

24,261

6,674

5,916

(10,885)

35,166

5,136

(22,531)

(12,623)

25,966

5,148

22,878

Net income

$ 67,146

$ 15,866

$ 14,075

$ (24,427)

$ 55,486

$ 31,814

$ 5,725

$ (25,963)

$ 72,660

$ 67,062

$ 68,921

Earnings (loss) per share

Basic (in dollars per share)

$ 0.57

$ 0.14

$ 0.12

$ (0.21)

$ 0.48

$ 0.27

$ 0.05

$ (0.22)

$ 0.62

$ 0.58

$ 0.59

Diluted (in dollars per share)

$ 0.56

$ 0.13

$ 0.12

$ (0.21)

$ 0.47

$ 0.27

$ 0.05

$ (0.22)

$ 0.62

$ 0.57

$ 0.59

Software as a service and platform as a service

Revenues:

$ 205,288

$ 190,369

$ 180,573

$ 192,950

$ 203,661

$ 192,952

$ 172,499

$ 108,557

$ 769,180

$ 677,669

$ 433,025

License

Revenues:

111,858

56,773

50,136

28,129

122,584

92,058

52,541

21,078

246,896

288,261

280,556

Maintenance

Revenues:

52,619

53,049

52,749

53,280

53,738

52,638

51,922

55,111

211,697

213,409

219,145

Services

Revenues: