Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current:
Federal	$ 352.6	$ 322.9	$ 110.2
State	80.7	80.8	50.8
Foreign	69.9	65.9	59.9
Deferred:
Federal	(94.1)	(136.9)	27.5
State	(27.7)	(31.1)	(27.2)
Foreign	(6.7)	(5.2)	5.4
Income tax expense	$ 374.7	$ 296.4	$ 226.6