Debt - Summary of Debt (Detail) - USD ($)	Mar. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Total borrowings	$ 2,227,313,000	$ 2,214,937,000
Less: unamortized premium (discount)	(7,993,000)	(9,030,000)
Less: unamortized deferred financing costs	(31,367,000)	(35,431,000)
Less: current portion of capital leases and other financing arrangements	(25,296,000)	(23,333,000)
Total long-term borrowings, net of current portion	2,162,657,000	2,147,143,000
Senior Secured Credit Facilities [Member]
Debt Instrument [Line Items]
Total borrowings	575,300,000
Senior Secured Credit Facilities [Member] | Term Loan Facility B3 Loans, Due 2018 [Member]
Debt Instrument [Line Items]
Total borrowings	129,645,000	129,645,000
Senior Secured Credit Facilities [Member] | Term Loan Facility B4 Loans, Due 2018 [Member]
Debt Instrument [Line Items]
Total borrowings	445,694,000	445,694,000
Senior Secured Notes, Due 2018 [Member]
Debt Instrument [Line Items]
Total borrowings	625,000,000	625,000,000
ABL Facility [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Total borrowings	0
Junior Lien Secured Notes, Due 2018 [Member]
Debt Instrument [Line Items]
Total borrowings	579,837,000	569,691,000
Senior Unsecured Notes, Due 2018 [Member]
Debt Instrument [Line Items]
Total borrowings	376,316,000	376,316,000
Capital Leases and Other Financing Arrangements [Member]
Debt Instrument [Line Items]
Total borrowings	$ 70,821,000	$ 68,591,000