Income Tax - Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Current
Federal	$ 152.1	$ 200.7	$ 146.1
State	21.2	22.1	22.3
Foreign	54.5	37.3	(17.2)
Total current tax (benefit) expense	227.8	260.1	151.2
Deferred
Federal	109.7	75.0	56.4
State	13.3	27.8	(26.2)
Foreign	(5.5)	(66.8)	(57.4)
Total deferred tax (benefit) expense	117.5	36.0	(27.2)
Total income tax (benefit) expense	$ 345.3	$ 296.1	$ 124.0