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Long-Term Debt - Schedule of Long-Term Debt (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Apr. 11, 2019	Jun. 30, 2017
Debt Instrument [Line Items]
Finance lease obligations	$ 693.6	$ 585.7
Less: unamortized debt issuance costs and discounts	(27.1)	(10.2)
Total debt	2,775.1	2,621.8
Less: current maturities	73.3	62.8
Total long-term debt	2,701.8	2,559.0
Secured Debt \| Senior secured term loan
Debt Instrument [Line Items]
Long-term debt	1,398.4	1,370.0
Unamortized fair value discount	(1.6)	2.1
Secured Debt \| Senior secured revolving credit facility
Debt Instrument [Line Items]
Long-term debt	0.0	0.0
Senior Notes \| 6.750% senior unsecured notes due 2025
Debt Instrument [Line Items]
Long-term debt	$ 185.0	185.0
Stated interest rate (percent)	6.75%			6.75%
Senior Notes \| 10.000% senior unsecured notes due 2027
Debt Instrument [Line Items]
Long-term debt	$ 320.0	320.0
Stated interest rate (percent)	10.00%		10.00%
Notes payable and other secured loans
Debt Instrument [Line Items]
Long-term debt	$ 205.2	$ 171.3