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Revenue Recognition - Additional Information (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Disaggregation Of Revenue [Line Items] |  |  |  |
Deferred contract costs would not be absorbed based on existing orders | $ 170,000,000 |  | $ 170,000,000 |
Impairment losses on contract assets | 0 | $ 0 | 0 | $ 0
Contract Fulfilment or Customer-owned Tooling Costs |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Impairment losses on deferred contract costs | 0 | 0 | 0 | 0
Vocational | Pierce |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Interest on customer advances | $ 12,300,000 | $ 9,200,000 | $ 23,300,000 | $ 18,000,000

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- Definition Amount of impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479483/340-40-50-3 + Details
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- Definition Amount of expense (reversal of expense) for expected credit loss on right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-4 + Details
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