Long-Term Debt - Outstanding Debt Obligations (Detail) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Capital leases	$ 557	$ 223
Total gross debt	1,734,027	275,971
Less: debt discount and deferred financing costs	(25,941)
Total debt, net of deferred financing costs	1,708,086	275,971
Less current portion of long-term debt	(17,188)	(384)
Long-term debt - less current portion	1,690,898	275,587
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt		262,915
Term Loan [Member]
Debt Instrument [Line Items]
Debt	1,320,000
Notes [Member]
Debt Instrument [Line Items]
Debt	400,000
Mortgages and Other [Member]
Debt Instrument [Line Items]
Debt	$ 13,470	$ 12,833

Long-term debt and capital lease obligations, gross.

No definition available.

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- Definition

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

+ References

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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

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

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- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

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- Definition

Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

+ References

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Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

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Amount of long-term debt and capital lease obligations including current maturities.

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