Income Taxes - Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current tax provision:
U.S. Federal	$ 62.8	$ 56.9	$ (29.9)
State and local	11.8	13.8	7.2
Non-U.S.	49.3	40.1	28.0
Total current tax provision	123.9	110.8	5.3
Deferred tax provision:
U.S. Federal	(94.1)	(92.6)	(100.7)
State and local	(42.8)	15.1	(16.9)
Non-U.S.	(15.8)	(9.9)	(0.1)
Total deferred tax provision	(152.7)	(87.4)	(117.7)
Provision (benefit) for income taxes	$ (28.8)	$ 23.4	$ (112.4)