Income Tax - Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Current
Federal	$ 46.0	$ 152.1	$ 200.7
State and local	13.7	21.2	22.1
Foreign	45.4	54.5	37.3
Total current tax (benefit) expense	105.1	227.8	260.1
Deferred
Federal	(323.2)	109.7	75.0
State and local	(87.0)	13.3	27.8
Foreign	(32.7)	(5.5)	(66.8)
Total deferred tax (benefit) expense	(442.9)	117.5	36.0
Total income tax (benefit) expense	$ (337.8)	$ 345.3	$ 296.1