Income Taxes - Current and Deferred Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current:
Federal U.S.	$ 21.5	$ 59.4	$ 23.4
Non-U.S.	75.0	74.3	48.7
State and local	7.8	19.4	5.0
Deferred:
Federal U.S.	(21.9)	(44.1)	16.9
Non-U.S.	(16.9)	(33.0)	(17.4)
State and local	(2.2)	(20.5)	(8.0)
Income tax provision	$ 63.3	$ 55.5	$ 68.6