Income Taxes - Schedule of Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Deferred Tax Assets
Accrued liabilities	$ 79.9	$ 77.3
Net operating loss and credit carryforwards	47.0	49.3
Leasing liabilities	641.7	624.8
Other	44.5	36.6
Total deferred tax assets	813.1	788.0
Valuation allowance	(59.2)	(58.2)
Net deferred tax assets	753.9	729.8
Deferred Tax Liabilities
Depreciation and amortization	(402.2)	(354.2)
Partnership investments	(930.0)	(972.1)
Leasing assets	(641.7)	(624.8)
Other	(11.0)	(10.4)
Total deferred tax liabilities	(1,984.9)	(1,961.5)
Net deferred tax liabilities	$ (1,231.0)	$ (1,231.7)