Long-Term Obligations - Summary of Long-Term Obligations (Detail) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Total long-term obligations	$ 1,652,878	$ 1,660,673
Less: current portion	(14,235)	(14,552)
Long-term obligations, excluding current portion	1,638,643	1,646,121
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Total long-term obligations	1,513	2,414
Senior Notes [Member]
Debt Instrument [Line Items]
Total long-term obligations	344,339	343,721
Term Loan Credit Agreement [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Total long-term obligations	$ 1,307,026	$ 1,314,538

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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

+ References

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