Income Taxes - Schedule of Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Deferred Tax Assets
Accrued liabilities	$ 77.3	$ 68.9
Net operating loss and credit carryforwards	49.3	50.5
Leasing liabilities	624.8	628.7
Other	36.6	36.6
Total deferred tax assets	788.0	784.7
Valuation allowance	(58.2)	(62.8)
Net deferred tax assets	729.8	721.9
Deferred Tax Liabilities
Depreciation and amortization	(354.2)	(314.1)
Partnership investments	(972.1)	(890.4)
Leasing assets	(624.8)	(628.7)
Other	(10.4)	(9.7)
Total deferred tax liabilities	(1,961.5)	(1,842.9)
Net deferred tax liabilities	$ (1,231.7)	$ (1,121.0)