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Debt Instrument, Reference Rate Subject to Floor

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of the required periodic payments applied to principal.

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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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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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For a debtor, the aggregate gain (loss) recognized on the restructuring of payables arises from the difference between the book value of the debt before the restructuring and the fair value of the payments on the debt after restructuring is complete.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Long-Term Debt - Additional Information (Details)		1 Months Ended	12 Months Ended
Long-Term Debt - Additional Information (Details)	Nov. 21, 2017	Nov. 30, 2017 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Nov. 10, 2016 USD ($)
Debt Instrument [Line Items]
Prepayment of debt			$ 261,300,000	$ 240,600,000	$ 347,000,000.0
Loss on extinguishment of debt		$ 3,700,000	0	900,000	$ 3,700,000
Carrying value of debt			1,827,500,000	1,849,500,000
Senior Secured Credit Facilities
Debt Instrument [Line Items]
Letters of credit outstanding			$ 28,500,000	32,300,000
Debt instrument, leverage ratio			6.8
Senior Secured Credit Facilities \| LIBOR
Debt Instrument [Line Items]
Basis spread on rate			1.00%
Senior Secured Credit Facilities \| Total Net Leverage Ratio Greater than 4.00:1.00
Debt Instrument [Line Items]
Credit facility commitment fee percentage			0.50%
Senior Secured Credit Facilities \| Total Net Leverage Ratio Less than 4.00:1.00
Debt Instrument [Line Items]
Credit facility commitment fee percentage			0.375%
Senior Secured Credit Facilities \| Prime Rate or Federal Funds Rate
Debt Instrument [Line Items]
Basis spread on rate			0.50%
Senior Secured Credit Facilities \| Term Loan B Facility
Debt Instrument [Line Items]
Revolving credit facility maximum borrowing capacity						$ 1,500,000,000
Quarterly payments of debt			$ 3,750,000
Net cash proceeds from the sale of assets			$ 25,000,000.0
Cash proceeds from sale of assets, reinvestment period			365 days
Senior Secured Credit Facilities \| Term Loan B Facility \| LIBOR
Debt Instrument [Line Items]
Reduction to applicable margin	0.50%
Senior Secured Credit Facilities \| Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility maximum borrowing capacity						300,000,000
Letters of credit outstanding						$ 100,000,000.0
Borrowings outstanding under credit facility			$ 241,500,000	230,700,000
Senior Secured Credit Facilities \| Revolving Credit Facility \| LIBOR
Debt Instrument [Line Items]
Debt instrument, reference rate subject to floor			0.75%
Senior Secured Credit Facilities \| Revolving Credit Facility \| Total Net Leverage Ratio Greater than 4.00:1.00
Debt Instrument [Line Items]
Debt instrument, leverage ratio			4.00
Senior Secured Credit Facilities \| ABR Loans \| Term Loan B Facility \| LIBOR
Debt Instrument [Line Items]
Interest rate			1.25%
Senior Secured Credit Facilities \| ABR Loans \| Revolving Credit Facility \| LIBOR
Debt Instrument [Line Items]
Interest rate			1.75%
Senior Secured Credit Facilities \| ABR Loans \| Revolving Credit Facility \| Total Net Leverage Ratio Greater than 4.00:1.00
Debt Instrument [Line Items]
Interest rate			1.25%
Senior Secured Credit Facilities \| Eurodollar Loans \| Term Loan B Facility \| LIBOR
Debt Instrument [Line Items]
Interest rate			2.25%
Senior Secured Credit Facilities \| Eurodollar Loans \| Revolving Credit Facility \| Total Net Leverage Ratio Greater than 4.00:1.00
Debt Instrument [Line Items]
Interest rate			2.75%
Senior Secured Credit Facilities \| Eurodollar Loans \| Revolving Credit Facility \| Total Net Leverage Ratio Less than 4.00:1.00
Debt Instrument [Line Items]
Interest rate			2.25%
Senior Notes \| 8.25% Senior Notes Due 2020
Debt Instrument [Line Items]
Debt interest rate percentage						8.25%
Senior Notes \| 5.625% Senior Notes due 2024
Debt Instrument [Line Items]
Debt interest rate percentage						5.625%
Long-term debt						$ 425,000,000.0
Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt			$ 30,000,000.0	37,000,000.0
Term Loan B
Debt Instrument [Line Items]
Prepayment of debt				57,500,000
Loss on extinguishment of debt		$ 1,900,000		$ 900,000
Debt redemption price percentage of principal modification		93.00%
Debt redemption price percentage of principal extinguished		7.00%
Loss on modification of debt		$ 1,800,000
Debt issuance costs		$ 100,000