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v3.25.3

Basis of Presentation - Additional Information (Detail) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |
Contributions to joint venture | $ 44.7 | $ 125.8
Equity Method Investments | $ 228.1 |
PACCAR |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |
Equity method investment, ownership percentage | 30.00% |
Maximum |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |
Equity method investment Contribution | $ 830.0 |

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