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Commitments and Contingent Liabilities - Additional Information (Detail) - 6 months ended Jun. 30, 2025 kr in Thousands, $ in Thousands	USD ($)	SEK (kr)
Commitments And Contingent Liabilities [Line Items]
Outstanding standby and commercial letters of credit	$ 15,623
Outstanding surety bonds issued to guarantee certain pension commitments	3,573	kr 33,900
Outstanding corporate guarantees	1,687	kr 16,000
Capital Expenditures [Member]
Commitments And Contingent Liabilities [Line Items]
Purchase commitments	$ 8,400

X

- Definition

Commitments And Contingent Liabilities [Line Items]

+ References

No definition available.

+ Details

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Namespace Prefix:	ap_
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Balance Type:	na
Period Type:	duration

X

- Definition

Corporate guarantees.

+ References

No definition available.

+ Details

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Namespace Prefix:	ap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Sum of the amount of expected guaranteed benefits in excess of the projected account balances for minimum guaranteed benefit contracts, as of the balance sheet date, net of reinsurance recoverables, for all guaranteed benefit types.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 944
-SubTopic 80
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)(3)
-Publisher FASB
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-Name Accounting Standards Codification
-Section 55
-Paragraph 15
-Publisher FASB
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Data Type:	xbrli:monetaryItemType
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X

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

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-Topic 944
-SubTopic 605
-Name Accounting Standards Codification
-Section 55
-Paragraph 15
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Period Type:	instant

X

- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

+ Details

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