Pension and Other Benefits - Narrative (Details) - Pension Benefits - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Defined Benefit Plan Disclosure [Line Items]
Settlement losses	$ 1.7	$ 0.0	$ 7.5	$ 0.0
United States
Defined Benefit Plan Disclosure [Line Items]
Contributions by employer			10.0
Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Contributions by employer			2.5
Continuing Operations
Defined Benefit Plan Disclosure [Line Items]
Settlement losses	1.5		5.9
Discontinued Operations
Defined Benefit Plan Disclosure [Line Items]
Settlement losses	$ 0.2		$ 1.6