Income Taxes - Schedule of Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Deferred Tax Assets
Accrued liabilities	$ 84.0	$ 79.9
Net operating loss and credit carryforwards	46.2	47.0
Leasing liabilities	665.7	641.7
Other	46.4	44.5
Total deferred tax assets	842.3	813.1
Valuation allowance	(61.9)	(59.2)
Net deferred tax assets	780.4	753.9
Deferred Tax Liabilities
Depreciation and amortization	(329.7)	(402.2)
Partnership investments	(979.1)	(930.0)
Leasing assets	(662.4)	(641.7)
Other	(9.6)	(11.0)
Total deferred tax liabilities	(1,980.8)	(1,984.9)
Net deferred tax liabilities	$ (1,200.4)	$ (1,231.0)