Income Taxes - Schedule of Components of Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current:
Federal	$ 179.7	$ 124.1	$ 106.8
State	57.0	35.3	32.6
Foreign	23.6	2.1	1.8
Total current provision	260.3	161.5	141.2
Deferred:
Federal	26.6	38.9	28.0
State	5.7	8.2	5.0
Foreign	(17.0)	(4.3)	1.5
Total deferred provision	15.3	42.8	34.5
Total tax provision	$ 275.6	$ 204.3	$ 175.7