Income Taxes - Components of Provision (Benefit) for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current tax expense:
Federal	$ 24.0	$ 14.7	$ 16.4
Foreign	4.1	5.0	1.4
State and local	6.6	4.0	5.1
Total current tax expense	34.7	23.7	22.9
Deferred tax (benefit) expense:
Federal	(3.5)	0.4	2.7
Foreign	(0.1)	1.5	3.1
State and local	(0.6)	(8.6)	(0.2)
Deferred tax expense (benefit)	(4.2)	(6.7)	5.6
Total income tax expense	$ 30.5	$ 17.0	$ 28.5