Revenue Recognition - Additional Information (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Disaggregation Of Revenue [Line Items] | ||||
| Deferred contract costs would not be absorbed based on existing orders | $ 85,000,000 | $ 85,000,000 | ||
| Losses on unbilled receivables | 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 | $ 16,900,000 | $ 13,200,000 | $ 48,900,000 | $ 36,500,000 |
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- Definition Amount of impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The interest expense recognized during the period on customer deposits or security deposits held in interest bearing accounts. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The portion of the aggregate amount of manufacturing or production costs and any related deferred costs (for example, initial tooling costs) that exceeds the aggregate estimated cost of all in-process and delivered units on the basis of the estimated average cost of all units expected to be produced under long-term contracts and programs not yet complete, which would not be absorbed in cost of sales based on existing firm orders at the latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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