XML 77 R69.htm IDEA: XBRL DOCUMENT
v3.25.3

Derivative Instruments - Additional Information (Detail) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 USD ($) Derivative Customer | Sep. 30, 2024 USD ($) Customer | Sep. 30, 2025 USD ($) Derivative Customer | Sep. 30, 2024 USD ($) Customer
Derivative [Line Items] |  |  |  |
Number of subsidiaries for purchases of natural gas under existing commitments | Customer | 1 | 2 | 1 | 2
Purchases of natural gas under existing commitments description |  |  | for one of its subsidiaries | for two of its subsidiaries
Number of subsidiaries for usage of electricity under existing commitments | Customer | 1 | 2 | 1 | 2
Usage of electricity under existing commitments description |  |  | for one of its subsidiaries. | for two of its subsidiaries
Number of derivative instruments holds for trading purposes | Derivative | 0 |  | 0 |
Loss on foreign exchange transactions included in other income net | $ (57) | $ (1,130) | $ (1,188) | $ (1,320)
Termination gain |  |  | 495 |
Pre-tax termination gain |  |  | $ 559 |
Natural Gas Usage [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Percentage of anticipated purchases hedged | 26.00% | 3.00% | 26.00% | 3.00%
Anticipated purchases, hedged | $ 286 | $ 1,568 | $ 286 | $ 1,568
Time period for hedged usage description |  |  | natural gas usage through December 31, 2025 | natural gas usage through December 31, 2025
Electricity Usage [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Percentage of anticipated purchases hedged | 31.00% | 9.00% | 31.00% | 9.00%
Anticipated purchases, hedged | $ 198 | $ 945 | $ 198 | $ 945
Time period for hedged usage description |  |  | electricity usage through December 31, 2025 | electricity usage through December 31, 2025
Natural Gas And Electricity Purchased [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Purchase of natural gas or electricity | $ 756 | $ 674 | $ 2,841 | $ 2,507
Copper Purchases [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Percentage of anticipated purchases hedged |  | 43.00% |  | 43.00%
Time period for hedged purchases |  |  |  | 9 months
Copper Purchases [Member] | Cash Flow Hedges [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Anticipated purchases, hedged |  | $ 2,853 |  | $ 2,853
Aluminum Purchases [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Percentage of anticipated purchases hedged | 75.00% | 56.00% | 75.00% | 56.00%
Time period for hedged purchases |  |  | 6 months | 6 months
Aluminum Purchases [Member] | Cash Flow Hedges [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Anticipated purchases, hedged | $ 571 | $ 615 | $ 571 | $ 615

X
- Definition Number of derivative instruments holds for trading purposes. + References No definition available. + Details
Name: | ap_NumberOfDerivativeInstrumentsHoldsForTradingPurposes
Namespace Prefix: | ap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of subsidiaries for purchases of natural gas under existing commitments. + References No definition available. + Details
Name: | ap_NumberOfSubsidiariesForPurchasesOfNaturalGasUnderExistingCommitments
Namespace Prefix: | ap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of subsidiaries for usage of electricity under existing commitments. + References No definition available. + Details
Name: | ap_NumberOfSubsidiariesForUsageOfElectricityUnderExistingCommitments
Namespace Prefix: | ap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of anticipated requirements which are covered by cash flow hedges. + References No definition available. + Details
Name: | ap_PercentageOfAnticipatedPurchasesHedged
Namespace Prefix: | ap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Period covered by cash flow hedges. + References No definition available. + Details
Name: | ap_PeriodForHedgedPurchases
Namespace Prefix: | ap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Pre-tax termination gain. + References No definition available. + Details
Name: | ap_Pre-TaxTerminationGain
Namespace Prefix: | ap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Purchases of natural gas under existing commitments description. + References No definition available. + Details
Name: | ap_PurchasesOfNaturalGasUnderExistingCommitmentsDescription
Namespace Prefix: | ap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Time period for hedged usage description. + References No definition available. + Details
Name: | ap_TimePeriodForHedgedUsageDescription
Namespace Prefix: | ap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Usage of electricity under existing commitments description. + References No definition available. + Details
Name: | ap_UsageOfElectricityUnderExistingCommitmentsDescription
Namespace Prefix: | ap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147476153/220-40-55-11 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147476153/220-40-55-4 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(2)(d)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(2)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 924 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479941/924-10-S99-1 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147476148/220-40-50-6 + Details
Name: | us-gaap_CostOfGoodsAndServicesSold
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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 Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 20 -Name Accounting Standards Codification -Section 25 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org/1943274/2147480682/815-20-25-6A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5 + Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 181 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480401/815-10-55-181 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A + Details
Name: | us-gaap_DerivativeNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount, before tax, of realized and unrealized gain (loss) from foreign currency transaction. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(7)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 20 -Name Accounting Standards Codification -Section 35 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482014/830-20-35-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481956/830-20-45-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481926/830-20-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481839/830-10-45-17 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (o) -Publisher FASB -URI https://asc.fasb.org/1943274/2147476148/220-40-50-22 + Details
Name: | us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
Name: | us-gaap_GainLossOnContractTermination
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=ap_NaturalGasUsageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=ap_ElectricityUsageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_NaturalGasGatheringTransportationMarketingAndProcessingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=ap_CopperPurchasesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=ap_AluminumPurchasesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |