Long-Term Debt - Schedule of Long-Term Debt (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Finance lease obligations	$ 908.9	$ 798.7
Less: unamortized debt issuance costs and discounts	(30.8)	(32.9)
Total debt	3,563.6	3,370.3
Less: current maturities	103.0	101.4
Total long-term debt	3,460.6	3,268.9
Secured Debt \| Senior secured term loan
Debt Instrument [Line Items]
Long-term debt	1,377.8	1,388.1
Unamortized fair value discount	1.3	1.4
Secured Debt \| Senior secured revolving credit facility
Debt Instrument [Line Items]
Long-term debt	287.0	192.0
Senior Notes \| 7.250% senior unsecured notes due 2032
Debt Instrument [Line Items]
Long-term debt	$ 800.0	800.0
Stated interest rate	7.25%
Notes payable and other secured loans
Debt Instrument [Line Items]
Long-term debt	$ 220.7	$ 224.4

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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