Income Taxes - Reconciliation of Effective Income Tax Rate (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Amount of pre-tax income
Federal statutory rate	$ 71.7	$ 105.0	$ (36.8)
State and local income taxes, net of federal benefits	17.7	16.1	(5.2)
Tax law change	0.0	0.0	(10.8)
Nondeductible expenses	(4.0)	(48.5)	(7.8)
Compensation	(6.8)	(7.2)	(6.2)
Foreign	4.4	1.9	0.9
Valuation allowance	(61.1)	(56.4)	113.4
Tax credits	5.9	4.9	4.6
Equity investment write-off	0.0	(2.6)	0.0
Other	0.2	(5.0)	(5.7)
Total income tax benefit	$ 28.0	$ 8.2	$ 46.4
Effective Tax Rate	8.20%	1.70%	(26.50%)