Income Taxes - Deferred Tax Asset and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Deferred income tax assets:
Net operating loss	$ 50.4	$ 57.6
Property, net	0.0	6.6
Insurance reserve	18.7	17.8
Stock-based compensation	15.2	15.2
Operating lease liabilities	18.2	22.1
Other accruals	35.1	43.4
Tax credits	10.9	10.5
Other	0.0	0.1
Total deferred income tax assets	148.5	173.3
Less: Valuation allowance	(43.1)	(46.2)
Net deferred income tax assets	105.4	127.1
Deferred income tax liabilities:
Revenue reserves	(0.7)	(5.7)
Intangibles	(102.9)	(99.7)
Operating lease right-of-use assets	(17.7)	(21.7)
Property, net	(3.4)	0.0
Carrying value of partnerships	(67.0)	(51.4)
Other	(0.4)	(0.4)
Total deferred income tax liabilities	(192.1)	(178.9)
Net deferred income tax liabilities	$ (86.7)	$ (51.8)