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Significant Accounting Policies - Research and Development Expenditures (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Accounting Policies [Abstract]      
Engineering expense $ 111.2 $ 107.5 $ 95.4
Research and development expense $ 67.4 $ 68.4 $ 61.4