Debt - Face Value of Outstanding Debt (Details) - USD ($)	3 Months Ended
Mar. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Debt outstanding	$ 3,638,291,000	$ 3,282,195,000
Finance lease obligations	4,087,000	5,882,000
Face value of total debt outstanding	3,718,061,000	3,363,809,000
Less current portion of debt outstanding	(79,770,000)	(81,614,000)
Senior secured credit facilities \| Term Loan A
Debt Instrument [Line Items]
Debt outstanding	$ 470,250,000	484,500,000
Basis spread on LIBOR	2.25%
Senior secured credit facilities \| Term Loan B
Debt Instrument [Line Items]
Debt outstanding	$ 1,838,724,000	1,843,427,000
Basis spread on LIBOR	2.00%
Senior secured credit facilities \| Revolver, $400 million
Debt Instrument [Line Items]
Debt outstanding	$ 375,000,000	0
Credit facility amount	400,000,000
Senior secured notes \| 5.375% senior secured notes due 2023
Debt Instrument [Line Items]
Debt outstanding	$ 530,000,000	530,000,000
Outstanding debt rate	5.375%
Senior secured notes \| 5.25% senior secured notes due 2023
Debt Instrument [Line Items]
Debt outstanding	$ 500,000,000	$ 500,000,000
Outstanding debt rate	5.25%
Senior Secured Credit \| Revolver, $400 million \| Eurocurrency
Debt Instrument [Line Items]
Basis spread on LIBOR	2.00%

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

No definition available.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The average effective interest rate during the reporting period.

+ References

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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

Represents the aggregate of total long-term debt, including current maturities and short-term debt.

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
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-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980

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- 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

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- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ References

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