$ACIW
ACI WORLDWIDE, INC. Stock $aciw

$aciw Overview Financials Valuation SEC Filings Company Website

2020 Q4 Form 10-K Financial Statement

#000093503621000014 Filed on February 25, 2021

Income Statement

Concept	2020 Q4	2019 Q4	2019 Q3
Revenue	$387.0M	$399.9M	$354.9M
YoY Change	-3.22%	24.99%	44.55%
Cost Of Revenue	$150.7M	$173.1M	$174.2M
YoY Change	-12.94%	66.0%	69.96%
Gross Profit	$236.3M	$226.8M	$180.7M
YoY Change	4.2%	5.17%	26.34%
Gross Profit Margin	61.06%	56.72%	50.92%
Selling, General & Admin	$76.66M	$58.05M	$57.70M
YoY Change	32.06%	29.07%	-0.15%
% of Gross Profit	32.43%	25.59%	31.93%
Research & Development	$31.12M	$34.60M	$36.54M
YoY Change	-10.07%	4.95%	1.49%
% of Gross Profit	13.17%	15.26%	20.22%
Depreciation & Amortization	$35.30M	$34.10M	$33.91M
YoY Change	3.52%	39.75%	44.03%
% of Gross Profit	14.94%	15.03%	18.76%
Operating Expenses	$107.8M	$92.65M	$94.25M
YoY Change	16.33%	-54.48%	-56.6%
Operating Profit	$95.71M	$102.4M	$55.32M
YoY Change	-6.55%	-12.03%	95.06%
Interest Expense	$12.39M	$18.11M	$18.99M
YoY Change	-31.57%	83.38%	51.01%
% of Operating Profit	12.95%	17.68%	34.32%
Other Income/Expense, Net	-$4.300M	-$11.76M	-$18.37M
YoY Change	-63.44%	53.34%	65.27%
Pretax Income	$91.41M	$90.65M	$36.95M
YoY Change	0.83%	-16.64%	114.27%
Income Tax	$24.26M	$35.17M	$5.136M
% Of Pretax Income	26.54%	38.79%	13.9%
Net Earnings	$67.15M	$55.49M	$31.81M
YoY Change	21.01%	-36.72%	108.85%
Net Earnings / Revenue	17.35%	13.87%	8.96%
Basic Earnings Per Share	$0.57	$0.48	$0.27
Diluted Earnings Per Share	$0.56	$0.47	$0.27
COMMON SHARES
Basic Shares Outstanding	116.8M shares	115.6M shares	116.2M shares
Diluted Shares Outstanding			118.3M shares

Balance Sheet

Concept	2020 Q4	2019 Q4	2019 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$165.4M	$121.4M	$121.6M
YoY Change	36.24%	-18.25%	59.37%
Cash & Equivalents	$165.4M	$121.4M	$121.6M
Short-Term Investments
Other Short-Term Assets	$17.37M	$24.20M	$31.72M
YoY Change	-28.24%	69.71%	36.44%
Inventory
Prepaid Expenses	$24.29M	$24.54M	$28.16M
Receivables	$167.6M	$150.7M	$325.3M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.155B	$920.4M	$1.005B
YoY Change	25.48%	62.47%	143.12%
LONG-TERM ASSETS
Property, Plant & Equipment	$64.73M	$70.38M	$72.75M
YoY Change	-8.02%	-3.23%	-3.57%
Goodwill	$1.280B	$1.281B	$1.278B
YoY Change	-0.02%	40.76%	40.52%
Intangibles
YoY Change
Long-Term Investments	$19.30M
YoY Change
Other Assets	$54.10M	$72.73M	$72.00M
YoY Change	-25.62%	39.48%	32.16%
Total Long-Term Assets	$2.232B	$2.337B	$2.336B
YoY Change	-4.5%	50.21%	48.69%
TOTAL ASSETS
Total Short-Term Assets	$1.155B	$920.4M	$1.005B
Total Long-Term Assets	$2.232B	$2.337B	$2.336B
Total Assets	$3.387B	$3.258B	$3.341B
YoY Change	3.97%	53.48%	68.36%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$41.22M	$37.01M	$36.00M
YoY Change	11.38%	-6.55%	31.49%
Accrued Expenses	$70.70M	$53.60M	$60.00M
YoY Change	31.9%	15.27%	17.88%
Deferred Revenue	$95.85M	$65.78M	$76.73M
YoY Change	45.7%	-37.25%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$34.27M	$34.15M	$34.12M
YoY Change	0.34%	64.43%	81.82%
Total Short-Term Liabilities	$905.6M	$612.0M	$734.9M
YoY Change	47.99%	106.31%	194.39%
LONG-TERM LIABILITIES
Long-Term Debt	$1.121B	$1.339B	$1.374B
YoY Change	-16.3%	105.69%	109.33%
Other Long-Term Liabilities	$39.93M	$44.64M	$40.21M
YoY Change	-10.53%	2.36%	-0.57%
Total Long-Term Liabilities	$1.161B	$1.384B	$1.414B
YoY Change	-16.11%	99.2%	102.95%
TOTAL LIABILITIES
Total Short-Term Liabilities	$905.6M	$612.0M	$734.9M
Total Long-Term Liabilities	$1.161B	$1.384B	$1.414B
Total Liabilities	$2.180B	$2.128B	$2.282B
YoY Change	2.48%	98.06%	123.4%
SHAREHOLDERS EQUITY
Retained Earnings	$1.003B	$930.8M	$875.3M
YoY Change	7.81%	7.76%	12.79%
Common Stock	$683.1M	$668.4M	$661.4M
YoY Change	2.21%	5.6%	4.44%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$387.6M	$377.6M	$383.1M
YoY Change	2.63%	6.12%	7.04%
Treasury Stock Shares	23.41M shares	24.54M shares	24.96M shares
Shareholders Equity	$1.207B	$1.130B	$1.059B
YoY Change
Total Liabilities & Shareholders Equity	$3.387B	$3.258B	$3.341B
YoY Change	3.97%	53.48%	68.36%

Cashflow Statement

Concept	2020 Q4	2019 Q4	2019 Q3
OPERATING ACTIVITIES
Net Income	$67.15M	$55.49M	$31.81M
YoY Change	21.01%	-36.72%	108.85%
Depreciation, Depletion And Amortization	$35.30M	$34.10M	$33.91M
YoY Change	3.52%	39.75%	44.03%
Cash From Operating Activities	$144.2M	$48.70M	$32.00M
YoY Change	196.1%	-41.61%	8.84%
INVESTING ACTIVITIES
Capital Expenditures	-$11.00M	-$10.70M	-$16.10M
YoY Change	2.8%	91.07%	54.81%
Acquisitions
YoY Change
Other Investing Activities	$15.90M	-$6.800M	-$17.20M
YoY Change	-333.82%
Cash From Investing Activities	$4.900M	-$17.50M	-$33.20M
YoY Change	-128.0%	212.5%	219.23%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-112.7M	-28.50M	-19.00M
YoY Change	295.44%	547.73%	1017.65%
NET CHANGE
Cash From Operating Activities	144.2M	48.70M	32.00M
Cash From Investing Activities	4.900M	-17.50M	-33.20M
Cash From Financing Activities	-112.7M	-28.50M	-19.00M
Net Change In Cash	36.40M	2.700M	-20.20M
YoY Change	1248.15%	-96.32%	-216.76%
FREE CASH FLOW
Cash From Operating Activities	$144.2M	$48.70M	$32.00M
Capital Expenditures	-$11.00M	-$10.70M	-$16.10M
Free Cash Flow	$155.2M	$59.40M	$48.10M
YoY Change	161.28%	-33.26%	20.85%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0000935036
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CY2020Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	us-gaap:OtherLiabilitiesCurrent
CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	0-25346
CY2020	dei	Entity Registrant Name EntityRegistrantName	ACI WORLDWIDE, INC.
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	47-0772104
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	3520 Kraft Rd,
CY2020	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 300
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Naples,
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	FL
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	34105
CY2020	dei	City Area Code CityAreaCode	239
CY2020	dei	Local Phone Number LocalPhoneNumber	403-4660
CY2020	dei	Security12b Title Security12bTitle	Common Stock, $0.005 par value
CY2020	dei	Trading Symbol TradingSymbol	ACIW
CY2020	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
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CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	116057000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	118079000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	118571000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	117632000	shares
CY2020	us-gaap	Net Income Loss NetIncomeLoss	72660000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	67062000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	68921000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-862000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	1034000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-15261000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-862000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1034000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-15261000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	71798000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	68096000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	53660000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	764597000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	68921000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-15261000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	20360000	USD
CY2018	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	22748000	USD
CY2018	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	2346427	shares
CY2018	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	54527000	USD
CY2018	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	2588000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	1048231000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	67062000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1034000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	36763000	USD
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	16481000	USD
CY2019	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1228102	shares
CY2019	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	3986000	USD
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	35617000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	1129968000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	72660000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-862000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	29602000	USD
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	15678000	USD
CY2020	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1000000	shares
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	28881000	USD
CY2020	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	11568000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	1206597000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	72660000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	67062000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	68921000	USD
CY2020	us-gaap	Depreciation Depreciation	24728000	USD
CY2019	us-gaap	Depreciation Depreciation	24092000	USD
CY2018	us-gaap	Depreciation Depreciation	23805000	USD
CY2020	us-gaap	Adjustment For Amortization AdjustmentForAmortization	115588000	USD
CY2019	us-gaap	Adjustment For Amortization AdjustmentForAmortization	98477000	USD
CY2018	us-gaap	Adjustment For Amortization AdjustmentForAmortization	73545000	USD
CY2020	aciw	Amortization Of Operating Lease Right Of Use Asset AmortizationOfOperatingLeaseRightOfUseAsset	23448000	USD
CY2019	aciw	Amortization Of Operating Lease Right Of Use Asset AmortizationOfOperatingLeaseRightOfUseAsset	15934000	USD
CY2018	aciw	Amortization Of Operating Lease Right Of Use Asset AmortizationOfOperatingLeaseRightOfUseAsset	0	USD
CY2020	aciw	Amortization Of Deferred Debt Issuance Costs AmortizationOfDeferredDebtIssuanceCosts	4802000	USD
CY2019	aciw	Amortization Of Deferred Debt Issuance Costs AmortizationOfDeferredDebtIssuanceCosts	4128000	USD
CY2018	aciw	Amortization Of Deferred Debt Issuance Costs AmortizationOfDeferredDebtIssuanceCosts	4637000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	3349000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-22140000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-5734000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	29602000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	36763000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	20360000	USD
CY2020	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-6017000	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-5175000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-2007000	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-8793000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	19054000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	14760000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	2484000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-7703000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	5766000	USD
CY2020	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	18491000	USD
CY2019	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-10829000	USD
CY2018	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-9684000	USD
CY2020	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	9421000	USD
CY2019	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-37561000	USD
CY2018	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	14219000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-16919000	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	1467000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-30699000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-830481000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	16695000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-850000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	336302000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	137649000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	183932000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	17804000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	23099000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	18265000	USD
CY2020	us-gaap	Payments To Acquire Software PaymentsToAcquireSoftware	28829000	USD
CY2019	us-gaap	Payments To Acquire Software PaymentsToAcquireSoftware	24915000	USD
CY2018	us-gaap	Payments To Acquire Software PaymentsToAcquireSoftware	25628000	USD
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	757268000	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-15934000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	25199000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-45360000	USD
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	3759000	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	3591000	USD
CY2018	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	3098000	USD
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	11924000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	12985000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	19674000	USD
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	3986000	USD
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	11568000	USD
CY2018	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2588000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	28881000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	35617000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	54527000	USD
CY2020	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	400000000	USD
CY2020	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	0	USD
CY2019	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	0	USD
CY2018	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	300000000	USD
CY2020	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	30000000	USD
CY2019	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	280000000	USD
CY2018	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	109000000	USD
CY2020	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	214000000	USD
CY2019	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	41000000	USD
CY2018	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	111000000	USD
CY2020	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	500000000	USD
CY2018	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	0	USD
CY2020	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	38950000	USD
CY2019	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	28900000	USD
CY2018	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	109289000	USD
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	12830000	USD
CY2018	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	7319000	USD
CY2020	us-gaap	Proceeds From Repayments Of Other Long Term Debt ProceedsFromRepaymentsOfOtherLongTermDebt	-13854000	USD
CY2019	us-gaap	Proceeds From Repayments Of Other Long Term Debt ProceedsFromRepaymentsOfOtherLongTermDebt	-7020000	USD
CY2018	us-gaap	Proceeds From Repayments Of Other Long Term Debt ProceedsFromRepaymentsOfOtherLongTermDebt	-4753000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-261570000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	667223000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-57704000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-57000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-1495000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-2076000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	43976000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-27104000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	78792000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	121398000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	148502000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	69710000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	165374000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	121398000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	148502000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	27760000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	27727000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	32205000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	51991000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	58980000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	13438000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	15049000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	35300000	USD
CY2020	us-gaap	Use Of Estimates UseOfEstimates	<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Use of Estimates</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">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.</span></div>
CY2020Q4	us-gaap	Other Notes Payable Current OtherNotesPayableCurrent	12901000	USD
CY2019Q4	us-gaap	Other Notes Payable Current OtherNotesPayableCurrent	9667000	USD
CY2020Q4	us-gaap	Interest Payable Current InterestPayableCurrent	8745000	USD
CY2019Q4	us-gaap	Interest Payable Current InterestPayableCurrent	9212000	USD
CY2020Q4	us-gaap	Accrued Royalties Current AccruedRoyaltiesCurrent	3959000	USD
CY2019Q4	us-gaap	Accrued Royalties Current AccruedRoyaltiesCurrent	6107000	USD
CY2020Q4	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	42569000	USD
CY2019Q4	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	36936000	USD
CY2020Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	81612000	USD
CY2019Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	76971000	USD
CY2020Q4	aciw	Settlement Funds Balance SettlementFundsBalance	246800000	USD
CY2019Q4	aciw	Settlement Funds Balance SettlementFundsBalance	274000000.0	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	187793000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	206606000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	123059000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	136226000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	64734000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	70380000	USD
CY2018Q4	us-gaap	Goodwill Gross GoodwillGross	957123000	USD
CY2018Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	47432000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	909691000	USD
CY2019	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	370834000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	1280525000	USD
CY2020	aciw	Goodwill Acquired During Period Subsequent Adjustment GoodwillAcquiredDuringPeriodSubsequentAdjustment	-299000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	1280226000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	5149000	USD
CY2020	aciw	Revenue Standard Product Warranty Period RevenueStandardProductWarrantyPeriod	P90D
CY2020	aciw	Revenue Initial Post Contract Customer Support Period RevenueInitialPostContractCustomerSupportPeriod	P1Y
CY2020Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	179177000	USD
CY2019Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	213654000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	3912000	USD
CY2020	aciw	Allowance For Doubtful Accounts Receivable Provisionfor Doubtful Accounts AllowanceForDoubtfulAccountsReceivableProvisionforDoubtfulAccounts	-374000	USD
CY2019	aciw	Allowance For Doubtful Accounts Receivable Provisionfor Doubtful Accounts AllowanceForDoubtfulAccountsReceivableProvisionforDoubtfulAccounts	2561000	USD
CY2018	aciw	Allowance For Doubtful Accounts Receivable Provisionfor Doubtful Accounts AllowanceForDoubtfulAccountsReceivableProvisionforDoubtfulAccounts	1505000	USD
CY2020Q4	us-gaap	Billed Contract Receivables BilledContractReceivables	175265000	USD
CY2019Q4	us-gaap	Billed Contract Receivables BilledContractReceivables	208505000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	167614000	USD
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	150692000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Noncurrent AccountsReceivableNetNoncurrent	215772000	USD
CY2019Q4	us-gaap	Accounts Receivable Net Noncurrent AccountsReceivableNetNoncurrent	213041000	USD
CY2020Q4	aciw	Accrued Receivables Net AccruedReceivablesNet	383386000	USD
CY2019Q4	aciw	Accrued Receivables Net AccruedReceivablesNet	363733000	USD
CY2020Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	558651000	USD
CY2019Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	572238000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	5149000	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	3912000	USD
CY2017Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	4799000	USD
CY2020	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	941000	USD
CY2019	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	1368000	USD
CY2018	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	2269000	USD
CY2020	aciw	Allowancefor Doubtful Accounts Receivable Other Period Increase Decrease AllowanceforDoubtfulAccountsReceivableOtherPeriodIncreaseDecrease	78000	USD
CY2019	aciw	Allowancefor Doubtful Accounts Receivable Other Period Increase Decrease AllowanceforDoubtfulAccountsReceivableOtherPeriodIncreaseDecrease	44000	USD
CY2018	aciw	Allowancefor Doubtful Accounts Receivable Other Period Increase Decrease AllowanceforDoubtfulAccountsReceivableOtherPeriodIncreaseDecrease	-123000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	3912000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	5149000	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	3912000	USD
CY2018Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	156135000	USD
CY2019	aciw	Contract With Customer Liability Additions ContractWithCustomerLiabilityAdditions	149253000	USD
CY2019	aciw	Contract With Customer Liability Recognition Of Revenue ContractWithCustomerLiabilityRecognitionOfRevenue	187069000	USD
CY2019	aciw	Contract With Customer Liability Foreign Currency Translation ContractWithCustomerLiabilityForeignCurrencyTranslation	620000	USD
CY2019Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	118939000	USD
CY2020	aciw	Contract With Customer Liability Additions ContractWithCustomerLiabilityAdditions	149363000	USD
CY2020	aciw	Contract With Customer Liability Recognition Of Revenue ContractWithCustomerLiabilityRecognitionOfRevenue	141313000	USD
CY2020	aciw	Contract With Customer Liability Foreign Currency Translation ContractWithCustomerLiabilityForeignCurrencyTranslation	2424000	USD
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	129413000	USD
CY2020Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	846900000	USD
CY2020Q4	us-gaap	Revenue Remaining Performance Obligation Percentage RevenueRemainingPerformanceObligationPercentage	0.50
CY2020	us-gaap	Contract With Customer Performance Obligation Satisfied In Previous Period ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod	39300000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	38950000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	50431000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	69906000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	612823000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	0	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	400000000	USD
CY2020Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1172110000	USD
CY2020Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	17103000	USD
CY2019Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	21905000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	1155007000	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	1373155000	USD
CY2020Q4	us-gaap	Deferred Finance Costs Current Net DeferredFinanceCostsCurrentNet	4685000	USD
CY2019Q4	us-gaap	Deferred Finance Costs Current Net DeferredFinanceCostsCurrentNet	4802000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1120742000	USD
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1339007000	USD
CY2019Q4	us-gaap	Capitalized Computer Software Accumulated Amortization CapitalizedComputerSoftwareAccumulatedAmortization	304371000	USD
CY2020Q4	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	560591000	USD
CY2020Q4	us-gaap	Capitalized Computer Software Accumulated Amortization CapitalizedComputerSoftwareAccumulatedAmortization	364135000	USD
CY2020Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	196456000	USD
CY2019Q4	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	538888000	USD
CY2019Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	234517000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	536504000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	214521000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	321983000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	535097000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	178128000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	356969000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	37100000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	31900000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	19000000.0	USD
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	4006816	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	18.18
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1756471	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	18.53
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	57744	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	19.08
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	6090	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	18.44
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2186511	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	17.87
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y11M15D
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	44944958	USD
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	2039275	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	17.72
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y1M28D
CY2020Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	42231530	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	29600000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	36800000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	20400000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	5400000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	5900000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	3900000	USD
CY2018Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	200000000.0	USD
CY2020	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1000000	shares
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	28900000	USD
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	46357495	shares
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	612300000	USD
CY2020Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	112100000	USD
CY2020	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	3207170	shares
CY2019	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	1241141	shares
CY2018	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	1538224	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	116397000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	116175000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	116057000	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1682000	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2396000	shares
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1575000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	118079000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	118571000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	117632000	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1500000	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1800000	shares
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2200000	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	117112185	shares
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	115986352	shares
CY2020	aciw	Corporate And Unallocated Income Expense CorporateAndUnallocatedIncomeExpense	125258000	USD
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1100000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	500000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-3700000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1294322000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1258294000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1009780000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	140316000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	122569000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	97350000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	29602000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	36763000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	20360000	USD
CY2019	aciw	Corporate And Unallocated Income Expense CorporateAndUnallocatedIncomeExpense	104718000	USD
CY2018	aciw	Corporate And Unallocated Income Expense CorporateAndUnallocatedIncomeExpense	92296000	USD
CY2020	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-45002000	USD
CY2019	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-52066000	USD
CY2018	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-30388000	USD
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1116000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	520000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-3724000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	98626000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	72210000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	91799000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	140316000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	122569000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	97350000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	29602000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	36763000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	20360000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1258294000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1294322000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1258294000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1294322000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1009780000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1009780000	USD
CY2020Q4	us-gaap	Noncurrent Assets NoncurrentAssets	2174513000	USD
CY2019Q4	us-gaap	Noncurrent Assets NoncurrentAssets	2285547000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2017	us-gaap	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Income Tax Expense Benefit TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit	15000000.0	USD
CY2018	aciw	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Change In Tax Rate Provisional Income Tax Expense Benefit Adjustment TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateProvisionalIncomeTaxExpenseBenefitAdjustment	4900000	USD
CY2017	us-gaap	Tax Cuts And Jobs Act Of2017 Transition Tax For Accumulated Foreign Earnings Income Tax Expense TaxCutsAndJobsActOf2017TransitionTaxForAccumulatedForeignEarningsIncomeTaxExpense	20900000	USD
CY2018	aciw	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Provisional Income Tax Expense Adjustment TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalIncomeTaxExpenseAdjustment	8100000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	19405000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-16317000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	16312000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	79221000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	88527000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	75487000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	98626000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	72210000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	91799000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-2683000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	3738000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	6545000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-3477000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-25150000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-6587000	USD
CY2020	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	-6160000	USD
CY2019	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	-21412000	USD
CY2018	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	-42000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2514000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	590000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4441000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1758000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	342000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-2649000	USD
CY2020	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	756000	USD
CY2019	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	932000	USD
CY2018	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	1792000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	22786000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	22960000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	17626000	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	8584000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	2668000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	3502000	USD
CY2020	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	31370000	USD
CY2019	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	25628000	USD
CY2018	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	21128000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	25966000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5148000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	22878000	USD
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	20711000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	15164000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	19278000	USD
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	321000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1227000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	5246000	USD
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	2459000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-12760000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	12657000	USD
CY2020	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-1809000	USD
CY2019	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-2535000	USD
CY2018	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-4796000	USD
CY2020	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	-4405000	USD
CY2019	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	898000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	1262000	USD
CY2020	aciw	Effective Income Tax Rate Reconciliation Tax Effect Of Foreign Operations EffectiveIncomeTaxRateReconciliationTaxEffectOfForeignOperations	11373000	USD
CY2019	aciw	Effective Income Tax Rate Reconciliation Tax Effect Of Foreign Operations EffectiveIncomeTaxRateReconciliationTaxEffectOfForeignOperations	6698000	USD
CY2018	aciw	Effective Income Tax Rate Reconciliation Tax Effect Of Foreign Operations EffectiveIncomeTaxRateReconciliationTaxEffectOfForeignOperations	8546000	USD
CY2020	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	2173000	USD
CY2019	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	2506000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	2557000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount	0	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount	0	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount	-8112000	USD
CY2020	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-4937000	USD
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-2624000	USD
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-560000	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-4541000	USD
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	2113000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-478000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	832000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	25966000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5148000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	10112000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	22878000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	20347000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	23030000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	40188000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	47411000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Other DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther	18731000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Other DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther	18791000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	19169000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	25599000	USD
CY2020Q4	aciw	Deferred Tax Assets Operating Lease Liabilities DeferredTaxAssetsOperatingLeaseLiabilities	10162000	USD
CY2019Q4	aciw	Deferred Tax Assets Operating Lease Liabilities DeferredTaxAssetsOperatingLeaseLiabilities	12956000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	9051000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	8517000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	117648000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	136304000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	7653000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	107536000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	128651000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	48967000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	52978000	USD
CY2020Q4	aciw	Deferred Tax Liabilities Operating Lease Right Of Use Asset DeferredTaxLiabilitiesOperatingLeaseRightOfUseAsset	7650000	USD
CY2019Q4	aciw	Deferred Tax Liabilities Operating Lease Right Of Use Asset DeferredTaxLiabilitiesOperatingLeaseRightOfUseAsset	11917000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Tax Deferred Income DeferredTaxLiabilitiesTaxDeferredIncome	33947000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Tax Deferred Income DeferredTaxLiabilitiesTaxDeferredIncome	44198000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	90564000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	109093000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	16972000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	19558000	USD
CY2020Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	57476000	USD
CY2019Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	51611000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	40504000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	32053000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	16972000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	19558000	USD
CY2019	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-12800000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	24300000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	29000000.0	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	23200000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	28200000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	29000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	28406000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	27237000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	4219000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	2784000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	315000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	96000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	61000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	3912000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	2542000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1185000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	285000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	220000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2020	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	12630000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	4462000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	115000	USD
CY2020	aciw	Unrecognized Tax Benefits Increase Decrease Resulting From Currency Translation UnrecognizedTaxBenefitsIncreaseDecreaseResultingFromCurrencyTranslation	94000	USD
CY2019	aciw	Unrecognized Tax Benefits Increase Decrease Resulting From Currency Translation UnrecognizedTaxBenefitsIncreaseDecreaseResultingFromCurrencyTranslation	46000	USD
CY2018	aciw	Unrecognized Tax Benefits Increase Decrease Resulting From Currency Translation UnrecognizedTaxBenefitsIncreaseDecreaseResultingFromCurrencyTranslation	-155000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	24310000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	29000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	28406000	USD
CY2020Q4	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount Of Unrecorded Benefit SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit	-3600000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	1200000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	1200000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	100000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	200000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	-100000	USD
CY2020	aciw	Lessee Operating Lease Option To Terminate1 LesseeOperatingLeaseOptionToTerminate1	P1Y
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	25148000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	18486000	USD
CY2020	us-gaap	Variable Lease Cost VariableLeaseCost	3588000	USD
CY2019	us-gaap	Variable Lease Cost VariableLeaseCost	3756000	USD
CY2020	us-gaap	Sublease Income SubleaseIncome	134000	USD
CY2019	us-gaap	Sublease Income SubleaseIncome	528000	USD
CY2020	us-gaap	Lease Cost LeaseCost	28602000	USD
CY2019	us-gaap	Lease Cost LeaseCost	21714000	USD
CY2020Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	299910000	USD
CY2020Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	315883000	USD
CY2020Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	291485000	USD
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y6M29D
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0367
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0400
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	15116000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	12991000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	10436000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	5545000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	4016000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	11573000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	59677000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	6281000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	53396000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	19578000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	18827000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	11431000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	10478000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	41243000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	57382000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	13438000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	15049000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	39958000	USD
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	46766000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	53396000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	61815000	USD
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y3D
CY2020Q1	us-gaap	Cost Of Revenue CostOfRevenue	165837000	USD
CY2020Q2	us-gaap	Cost Of Revenue CostOfRevenue	147346000	USD
CY2020Q3	us-gaap	Cost Of Revenue CostOfRevenue	158579000	USD
CY2020Q4	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	387044000	USD
CY2020	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	1294322000	USD
CY2020Q4	us-gaap	Cost Of Revenue CostOfRevenue	150697000	USD
CY2020	us-gaap	Cost Of Revenue CostOfRevenue	622459000	USD
CY2020Q1	us-gaap	Research And Development Expense Software Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseSoftwareExcludingAcquiredInProcessCost	39024000	USD
CY2020Q2	us-gaap	Research And Development Expense Software Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseSoftwareExcludingAcquiredInProcessCost	35578000	USD
CY2020Q3	us-gaap	Research And Development Expense Software Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseSoftwareExcludingAcquiredInProcessCost	33573000	USD
CY2020Q4	us-gaap	Research And Development Expense Software Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseSoftwareExcludingAcquiredInProcessCost	31118000	USD
CY2020	us-gaap	Research And Development Expense Software Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseSoftwareExcludingAcquiredInProcessCost	139293000	USD
CY2020Q1	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	30083000	USD
CY2020Q2	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	24455000	USD
CY2020Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	22154000	USD
CY2020Q4	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	26875000	USD
CY2020Q1	us-gaap	Depreciation And Amortization DepreciationAndAmortization	31898000	USD
CY2020Q2	us-gaap	Depreciation And Amortization DepreciationAndAmortization	33635000	USD
CY2020	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	103567000	USD
CY2020Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	35926000	USD
CY2020Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	29758000	USD
CY2020Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	37000000	USD
CY2020Q4	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	49784000	USD
CY2020	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	152468000	USD
CY2020Q3	us-gaap	Depreciation And Amortization DepreciationAndAmortization	33395000	USD
CY2020Q4	us-gaap	Depreciation And Amortization DepreciationAndAmortization	32863000	USD
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	131791000	USD
CY2020Q1	us-gaap	Costs And Expenses CostsAndExpenses	302768000	USD
CY2020Q2	us-gaap	Costs And Expenses CostsAndExpenses	270772000	USD
CY2020Q3	us-gaap	Costs And Expenses CostsAndExpenses	284701000	USD
CY2020Q4	us-gaap	Costs And Expenses CostsAndExpenses	291337000	USD
CY2020	us-gaap	Costs And Expenses CostsAndExpenses	1149578000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6674000	USD
CY2020Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	-11283000	USD
CY2020Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	29138000	USD
CY2020Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	31182000	USD
CY2020Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	95707000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	144744000	USD
CY2020Q1	us-gaap	Interest Expense InterestExpense	17171000	USD
CY2020Q2	us-gaap	Interest Expense InterestExpense	14142000	USD
CY2020Q3	us-gaap	Interest Expense InterestExpense	12925000	USD
CY2020Q4	us-gaap	Interest Expense InterestExpense	12392000	USD
CY2020	us-gaap	Interest Expense InterestExpense	56630000	USD
CY2020Q1	us-gaap	Investment Income Interest InvestmentIncomeInterest	2900000	USD
CY2020Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	2954000	USD
CY2020Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	2927000	USD
CY2020Q4	us-gaap	Investment Income Interest InvestmentIncomeInterest	2847000	USD
CY2020	us-gaap	Investment Income Interest InvestmentIncomeInterest	11628000	USD
CY2020Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-9758000	USD
CY2020Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2041000	USD
CY2020Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1356000	USD
CY2020Q4	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	5245000	USD
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1116000	USD
CY2020Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-24029000	USD
CY2020Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-9147000	USD
CY2020Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-8642000	USD
CY2020Q4	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-4300000	USD
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-46118000	USD
CY2020Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-35312000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	19991000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	22540000	USD
CY2020Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	91407000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	98626000	USD
CY2020Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-10885000	USD
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5916000	USD
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	67146000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	72660000	USD
CY2020Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24261000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	25966000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	-24427000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	14075000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	15866000	USD
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.21
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.12
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.14
CY2020Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.57
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.62
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.21
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CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.13
CY2020Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.56
CY2019Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	30417000	USD
CY2019Q4	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	30875000	USD
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.62
CY2019Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	205855000	USD
CY2019Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	297618000	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	354901000	USD
CY2019Q4	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	399920000	USD
CY2019	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	1258294000	USD
CY2019Q1	us-gaap	Cost Of Revenue CostOfRevenue	114941000	USD
CY2019Q2	us-gaap	Cost Of Revenue CostOfRevenue	155240000	USD
CY2019Q3	us-gaap	Cost Of Revenue CostOfRevenue	174168000	USD
CY2019Q4	us-gaap	Cost Of Revenue CostOfRevenue	173104000	USD
CY2019	us-gaap	Cost Of Revenue CostOfRevenue	617453000	USD
CY2019Q1	us-gaap	Research And Development Expense Software Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseSoftwareExcludingAcquiredInProcessCost	36194000	USD
CY2019Q2	us-gaap	Research And Development Expense Software Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseSoftwareExcludingAcquiredInProcessCost	39235000	USD
CY2019Q3	us-gaap	Research And Development Expense Software Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseSoftwareExcludingAcquiredInProcessCost	36543000	USD
CY2019Q4	us-gaap	Research And Development Expense Software Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseSoftwareExcludingAcquiredInProcessCost	34601000	USD
CY2019	us-gaap	Research And Development Expense Software Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseSoftwareExcludingAcquiredInProcessCost	146573000	USD
CY2019	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	123684000	USD
CY2019Q2	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	32962000	USD
CY2019Q1	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	29430000	USD
CY2019	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	135296000	USD
CY2019Q1	us-gaap	Depreciation And Amortization DepreciationAndAmortization	21866000	USD
CY2019Q2	us-gaap	Depreciation And Amortization DepreciationAndAmortization	26744000	USD
CY2019Q3	us-gaap	Depreciation And Amortization DepreciationAndAmortization	31169000	USD
CY2019Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	31517000	USD
CY2019Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	49319000	USD
CY2019Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	27286000	USD
CY2019Q4	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	27174000	USD
CY2019Q4	us-gaap	Depreciation And Amortization DepreciationAndAmortization	31753000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	111532000	USD
CY2019Q1	us-gaap	Costs And Expenses CostsAndExpenses	233948000	USD
CY2019Q2	us-gaap	Costs And Expenses CostsAndExpenses	303500000	USD
CY2019Q3	us-gaap	Costs And Expenses CostsAndExpenses	299583000	USD
CY2019Q4	us-gaap	Costs And Expenses CostsAndExpenses	297507000	USD
CY2019	us-gaap	Costs And Expenses CostsAndExpenses	1134538000	USD
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	-28093000	USD
CY2019Q4	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	3399000	USD
CY2019Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-5882000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	520000	USD
CY2019Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-10493000	USD
CY2019	us-gaap	Interest Expense InterestExpense	64033000	USD
CY2019Q1	us-gaap	Investment Income Interest InvestmentIncomeInterest	3033000	USD
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	55318000	USD
CY2019Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	102413000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	123756000	USD
CY2019Q1	us-gaap	Interest Expense InterestExpense	11614000	USD
CY2019Q2	us-gaap	Interest Expense InterestExpense	15323000	USD
CY2019Q3	us-gaap	Interest Expense InterestExpense	18987000	USD
CY2019Q4	us-gaap	Interest Expense InterestExpense	18109000	USD
CY2019Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	2997000	USD
CY2019Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	2988000	USD
CY2019Q4	us-gaap	Investment Income Interest InvestmentIncomeInterest	2949000	USD
CY2019	us-gaap	Investment Income Interest InvestmentIncomeInterest	11967000	USD
CY2019Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1912000	USD
CY2019Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1402000	USD
CY2019Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-2369000	USD
CY2019Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-10924000	USD
CY2019Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-18368000	USD
CY2019Q4	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-11761000	USD
CY2019	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-51546000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-38586000	USD
CY2019Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-16806000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	36950000	USD
CY2019Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	90652000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	72210000	USD
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-12623000	USD
CY2019Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-22531000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5136000	USD
CY2019Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	35166000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5148000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	-25963000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	5725000	USD
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.22
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	31814000	USD
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	55486000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	67062000	USD
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.22
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.05
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.27
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.48
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.58
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.05
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.27
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.47
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.57

Files In Submission

Name	View Source	Status
0000935036-21-000014-index-headers.html	Edgar Link	pending
0000935036-21-000014-index.html	Edgar Link	pending
0000935036-21-000014.txt	Edgar Link	pending
0000935036-21-000014-xbrl.zip	Edgar Link	pending
aciw-20201231.htm	Edgar Link	pending
aciw-20201231.xsd	Edgar Link	pending
aciw-20201231xexx0404.htm	Edgar Link	pending
aciw-20201231xexx2101.htm	Edgar Link	pending
aciw-20201231xexx2301.htm	Edgar Link	pending
aciw-20201231xexx3101.htm	Edgar Link	pending
aciw-20201231xexx3102.htm	Edgar Link	pending
aciw-20201231xexx3201.htm	Edgar Link	pending
aciw-20201231xexx3202.htm	Edgar Link	pending
aciw-20201231_cal.xml	Edgar Link	unprocessable
aciw-20201231_def.xml	Edgar Link	unprocessable
aciw-20201231_g1.gif	Edgar Link	pending
aciw-20201231_htm.xml	Edgar Link	completed
aciw-20201231_lab.xml	Edgar Link	unprocessable
aciw-20201231_pre.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$ACIW
ACI WORLDWIDE, INC. Stock $aciw

2020 Q4 Form 10-K Financial Statement

#000093503621000014 Filed on February 25, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ACIW ACI WORLDWIDE, INC. Stock $aciw

2020 Q4 Form 10-K Financial Statement

#000093503621000014 Filed on February 25, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ACIW
ACI WORLDWIDE, INC. Stock $aciw