Leases - Supplemental Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Leases [Abstract]
Operating lease assets	$ 354.9	$ 337.7
Finance lease assets	$ 281.3	$ 283.7
Finance lease, right-of-use asset, statement of financial position [extensible enumeration]	Property and equipment (net of accumulated depreciation and amortization: 2024 - $1,633.2; 2023 - $1,620.1)	Property and equipment (net of accumulated depreciation and amortization: 2024 - $1,633.2; 2023 - $1,620.1)
Total lease assets	$ 636.2	$ 621.4
Current liabilities operating leases	$ 78.2	$ 79.5
Operating lease, liability, current, statement of financial position [extensible enumeration]	Accrued Liabilities, Current	Accrued Liabilities, Current
Current liabilities financing leases	$ 61.4	$ 57.5
Finance lease, liability, current, statement of financial position [extensible enumeration]	Current maturities of long-term debt	Current maturities of long-term debt
Lease liabilities	$ 278.6	$ 265.8
Finance lease, liability, noncurrent, statement of financial position [extensible enumeration]	Long-term debt	Long-term debt
Noncurrent liabilities financing leases	$ 173.7	$ 176.3
Total lease liabilities	$ 591.9	$ 579.1