Face (par) amount of debt instrument at time of issuance.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Paragraph 1
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- Definition

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.

+ References

No definition available.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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Balance Type:	credit
Period Type:	instant

- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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- Definition

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

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Balance Type:	credit
Period Type:	instant

- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 220
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Long-term Debt - Senior Secured Credit Facilities, Senior Unsecured Notes, Loss on Early Extinguishment of Debt, and Covenants (Details) - USD ($)		3 Months Ended
	Jan. 19, 2017	Mar. 31, 2018	Mar. 31, 2019	Oct. 15, 2018
Debt Instrument [Line Items]
Interest rate			5.625%
Secured credit facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt term	5 years
Maximum borrowing capacity	$ 700,000,000
Letters of credit outstanding			$ 36,500,000
Available borrowing capacity			$ 571,500,000
Secured credit facility \| Term Loan A Facility
Debt Instrument [Line Items]
Debt term	5 years
Maximum borrowing capacity	$ 300,000,000
Secured credit facility \| Term Loan B Facility
Debt Instrument [Line Items]
Debt term	7 years
Maximum borrowing capacity	$ 500,000,000
Secured credit facility \| Term Loan A Facility due 2023, incremental loans
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 430,200,000
Secured credit facility \| Term Loan B-1 Facility due 2025
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 1,128,800,000
Secured credit facility \| 2013 Senior Secured Credit Facilities
Debt Instrument [Line Items]
Loss on early extinguishment of debt		$ 900,000
Senior notes \| 5.625% Notes due 2027
Debt Instrument [Line Items]
Interest rate	5.625%		5.625%
Debt principal amount	$ 400,000,000