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Long-Term Debt - Summary of Long-term Debt (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Finance lease obligations	$ 584.0	$ 364.6
Less: unamortized debt issuance costs and discounts	(14.4)	(16.5)
Total debt	3,219.5	2,938.8
Less: Current maturities	116.9	60.4
Total long-term debt	3,102.6	2,878.4
Secured Debt | Senior secure term loan
Debt Instrument [Line Items]
Long-term debt	1,519.6	1,530.7
Unamortized fair value discount	2.5	3.0
Senior Notes | 6.750% senior unsecured notes due 2025
Debt Instrument [Line Items]
Long-term debt	$ 370.0	370.0
Stated interest rate (percent)	6.75%
Senior Notes | 10.000% senior unsecured notes due 2027
Debt Instrument [Line Items]
Long-term debt	$ 545.0	545.0
Stated interest rate (percent)	10.00%
Notes payable and other secured loans
Debt Instrument [Line Items]
Long-term debt	$ 215.3	$ 145.0

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- Definition

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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Contractual interest rate for funds borrowed, under the debt agreement.

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Present value of lessee's discounted obligation for lease payments from finance lease.

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