Debt Instrument Issue Price Percentage Of Principal Amount

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Fair value of the amount outstanding under the credit facility.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The effective interest rate at the end of the reporting period.

+ References

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of long-term debt classified as other.

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

- Details

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Name:	us-gaap_VariableRateAxis=aciw_SecuredOvernightFinancingRateSOFRMember
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- Details

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- Details

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- Details

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- Details

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Debt - Additional Information (Details) - USD ($)		9 Months Ended	12 Months Ended
Debt - Additional Information (Details) - USD ($)	Apr. 05, 2019	Sep. 30, 2022	Dec. 31, 2019	Dec. 31, 2021	Aug. 21, 2018
Debt Instrument [Line Items]
Long-term debt, amount outstanding		$ 1,017,336,000
Credit Agreement
Debt Instrument [Line Items]
Effective interest rate		4.88%
Credit Agreement \| SOFR \| Option (a)
Debt Instrument [Line Items]
Basis spread on variable rate		1.00%
Credit Agreement \| SOFR \| Option (b) \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate		1.25%
Credit Agreement \| SOFR \| Option (b) \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate		2.25%
Credit Agreement \| Base Rate \| Option (a) \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate		0.25%
Credit Agreement \| Base Rate \| Option (a) \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate		1.25%
Credit Agreement \| Federal Funds Effective Rate \| Option (a)
Debt Instrument [Line Items]
Basis spread on variable rate		0.50%
Overdraft Facility \| Credit Agreement
Debt Instrument [Line Items]
Line of credit facility, amount available		$ 75,000,000
Amount outstanding on overdraft facility		0		$ 0
Overdraft Facility \| Credit Agreement \| Federal Funds Effective Rate
Debt Instrument [Line Items]
Basis spread on variable rate			2.25%
Senior Notes \| 5.750% Senior notes, due August 2026
Debt Instrument [Line Items]
Long-term debt, amount outstanding		400,000,000
Face amount					$ 400,000,000
Issue price percentage of senior notes of the principal amount					100.00%
Stated interest rate					5.75%
Other \| Multi-year License Agreement
Debt Instrument [Line Items]
Face amount		10,700,000
Other long-term debt, amount outstanding		9,300,000		$ 2,900,000
Other \| Multi-year License Agreement \| Other Current Liabilities
Debt Instrument [Line Items]
Other long-term debt, amount outstanding		5,800,000
Other \| Multi-year License Agreement \| Other Noncurrent Liabilities
Debt Instrument [Line Items]
Other long-term debt, amount outstanding		3,500,000
Revolving credit facility \| Credit Agreement
Debt Instrument [Line Items]
Line of credit, carrying amount		10,000,000
Unused borrowings		488,500,000
Debt instrument, term	5 years
Maximum borrowing capacity	$ 500,000,000
Revolving credit facility \| Letter of Credit \| Credit Agreement
Debt Instrument [Line Items]
Unused borrowings		1,500,000
Term loans \| Credit Agreement
Debt Instrument [Line Items]
Long-term debt, amount outstanding		$ 607,300,000
Initial Term Loan \| Credit Agreement
Debt Instrument [Line Items]
Debt instrument, term	5 years
Face amount	$ 279,000,000
Delayed Draw Term Loan \| Credit Agreement
Debt Instrument [Line Items]
Debt instrument, term	5 years
Face amount	$ 500,000,000