Restructuring Activities - Summary of Statement of Operations Effects (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Restructuring Cost And Reserve [Line Items]
Restructuring charges	$ 14.5	$ 11.0	$ 41.9
Total expense	31.0	30.6	102.2
Capital expenditures	8.2	0.4	3.4
Continuing Operations
Restructuring Cost And Reserve [Line Items]
Other associated costs	16.5	19.6	60.3
Restructuring charges	$ 14.5	$ 11.0	$ 41.9