Post-Employment Plans - Schedule of Amounts Recognized in Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI pension and other postretirement benefit plans	$ 2.4	$ (7.1)	$ 9.9
Other Benefits
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI pension and other postretirement benefit plans	$ 0.2	$ 0.9	$ 0.6