Long-Term Debt - Summary of Carrying Value of Debt (Detail) - USD ($) $ in Thousands	Oct. 03, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Less debt issuance costs	$ (27,196)	$ (29,785)
Less unamortized discounts	(49,579)	(59,516)
Total outstanding debt	3,043,225	3,160,699
Current maturities of long-term debt	0	16,500
Less: current portion of unamortized discounts	0	(8,978)
Less: current portion of debt issuance costs	0	(3,313)
Total short-term debt	0	4,209
Long-term debt, less current maturities	3,043,225	3,156,490
Total outstanding debt	3,043,225	3,160,699
Term Loan [Member]
Debt Instrument [Line Items]
Debt instrument, carrying amount	2,070,000	2,200,000
7.25 % Senior Notes Due 2022 [Member]
Debt Instrument [Line Items]
Debt instrument, carrying amount	$ 1,050,000	$ 1,050,000