Commitments and Contingent Liabilities - Additional Information (Detail) - 6 months ended Jun. 30, 2026 kr in Thousands, $ in Thousands	USD ($)	SEK (kr)
Commitments And Contingent Liabilities [Line Items]
Outstanding standby and commercial letters of credit	$ 11,023
Outstanding surety bonds issued to guarantee certain pension commitments	3,490	kr 33,900
Outstanding corporate guarantees	1,647	kr 16,000
Capital Expenditures [Member]
Commitments And Contingent Liabilities [Line Items]
Purchase commitments	$ 7,200

Commitments And Contingent Liabilities [Line Items]

No definition available.

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- 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

- 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)
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-Paragraph 15
-Publisher FASB
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+ Details

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Period Type:	instant

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 944
-SubTopic 605
-Name Accounting Standards Codification
-Section 55
-Paragraph 15
-Publisher FASB
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477548/944-605-55-12

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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

- Details

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