Income Taxes - Provision Benefit for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current
U.S.	$ 64.7	$ 29.5	$ 49.8
State and local	11.0	4.6	9.1
Foreign	60.9	50.2	41.9
Total current	136.6	84.3	100.8
Deferred
U.S.	(4.1)	10.1	10.1
State and local	(1.4)	1.5	(0.1)
Foreign	(0.6)	(3.4)	(3.4)
Total deferred	(6.1)	8.2	6.6
Total provision for income taxes	$ 130.5	$ 92.5	$ 107.4