Income Taxes - Schedule of U.S. Statutory Income Tax Rate Reconciliation (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
U.S. federal statutory tax rate	$ 53.8	$ 43.5	$ 30.8
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	8.6	6.4	5.2
Foreign tax effects	0.7	0.9	0.9
Net effects of foreign operations		0.0	0.1
Nondeductible acquisition costs		0.0	(1.3)
Changes in valuation allowances	(1.3)	(2.9)	0.5
Excess tax benefits related to equity compensation		(4.6)	(1.7)
§162(m) compensation limitation		5.4	6.2
Nondeductible loss on divestiture of asbestos liabilities and certain assets		0.0	2.0
Net changes in valuation allowance		(0.2)	0.5
Other		(0.4)	(0.6)
Provision for income taxes	$ 63.9	$ 48.1	$ 42.6