Income Taxes - Provision for Income Taxes (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current Tax Provision:
Federal	$ 241.5	$ 203.0	$ 216.4
State	74.0	57.2	50.7
Non-U.S.	147.3	141.7	150.5
Total	462.8	401.9	417.6
Deferred Tax Provision:
Federal	(11.7)	8.8	16.5
State	12.0	5.4	16.5
Non-U.S.	1.7	2.2	1.3
Total	2.0	16.4	34.3
Provision for Income Taxes	$ 464.8	$ 418.3	$ 451.9