Pension and Other Benefits - Narrative (Details) - Pension Benefits - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Defined Benefit Plan Disclosure [Line Items]
Settlement losses	$ 0.0	$ (5.8)	$ 0.0	$ (5.8)
Operating Segments
Defined Benefit Plan Disclosure [Line Items]
Settlement losses		4.4
Discontinued Operations
Defined Benefit Plan Disclosure [Line Items]
Settlement losses		$ 1.4
United States
Defined Benefit Plan Disclosure [Line Items]
Contributions by employer	0.0
Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Contributions by employer	$ 0.0