Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Stock-based compensation expense	$ 8.1	$ 10.6
Accrued expenses	86.1	86.2
Financing and operating leasing obligations	2,619.3	2,351.3
Unrecognized tax benefits	9.8	8.9
Investments in and advances to unconsolidated affiliates	13.0	0.0
Discount on convertible notes	0.4	0.0
Net operating losses, interest limitation and tax credit carryforwards	112.7	115.7
Gross deferred tax assets	2,849.4	2,572.7
Less: Valuation allowance	(31.2)	(124.3)
Net deferred tax assets	2,818.2	2,448.4
Deferred tax liabilities:
Property and equipment, not subject to the Master Leases	(99.1)	(65.6)
Property and equipment, subject to the Master Leases	(925.0)	(992.9)
Investments in and advances to unconsolidated affiliates	0.0	(6.8)
Discount on convertible notes	0.0	(18.1)
Intangible assets	(263.7)	(284.8)
Lease right of use assets	(1,564.3)	(1,269.3)
Net deferred tax liabilities	(2,852.1)	(2,637.5)
Long-term deferred tax liabilities, net	$ (33.9)	$ (189.1)