XML 76 R51.htm IDEA: XBRL DOCUMENT v3.24.0.1
Significant Accounting Policies - Research and Development Expenditures (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Accounting Policies [Abstract]      
Engineering expense $ 107.5 $ 95.4 $ 82.9
Research and development expense $ 68.4 $ 61.4 $ 50.1