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Revenue Recognition - Additional Information (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Disaggregation Of Revenue [Line Items] |  |  |  |
Deferred contract costs would not be absorbed based on existing orders | $ 165,000,000 |  | $ 165,000,000 |
Impairment losses on contract assets | 0 | $ 0 | 0 | $ 0
Vocational | Pierce |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Interest on customer advances | $ 13,200,000 | $ 10,100,000 | $ 36,500,000 | $ 28,100,000

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