Income Taxes - Components of Provision for Income Taxes (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current:
Federal	$ 145.4	$ 74.1	$ 119.1
State	25.9	17.0	24.3
Foreign	41.5	29.0	26.8
Deferred	(54.8)	12.0	(80.3)
Total provision for income taxes	$ 158.0	$ 132.1	$ 89.9