Long-term Debt - Schedule of Debt (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Finance lease obligations	$ 9.1	$ 15.2
Less: Debt issuance costs	(52.3)	(55.5)
Total debt	1,306.9	1,310.8
Less: Current portion of long-term debt	12.6	18.3
Long-term debt	1,294.3	1,292.5
Senior Notes \| 6.000% Senior Secured Notes due March 2022
Debt Instrument [Line Items]
Long-term debt	459.0	459.0
Senior Notes \| 6.375% Senior Secured Notes due March 2025
Debt Instrument [Line Items]
Long-term debt	500.0	500.0
Term Loan \| Senior Secured Term Loan due 2025, net of original issue discount
Debt Instrument [Line Items]
Long-term debt	$ 391.1	$ 392.1

Amount of short-term and long-term debt and lease obligation.

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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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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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

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Amount of long-term debt and lease obligation, classified as noncurrent.

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Amount of long-term debt and lease obligation, classified as current.

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