Income Taxes - Summary of Reconciliation of Taxes from Continuing Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Reconciliation of taxes from continuing operations
Taxes at U.S. statutory rate	$ 199.2	$ 233.3	$ 195.4
State and local taxes, net of federal income tax benefit	31.4	33.8	31.4
Tax credits	(12.6)	(9.1)	(3.3)
Other, net	(11.7)	(12.2)	(12.0)
Total provision for income taxes	$ 206.3	$ 245.8	$ 211.5
Reconciliation of taxes from continuing operations, percent
Taxes at U.S. statutory rate	21.00%	21.00%	21.00%
State and local taxes, net of federal income tax benefit	3.30%	3.00%	3.40%
Tax credits	(1.30%)	(0.80%)	(0.40%)
Other, net	(1.20%)	(1.10%)	(1.30%)
Effective Tax Rate	21.70%	22.10%	22.70%
Tax Jurisdiction of Domicile [Extensible Enumeration]	United States	United States	United States