Derivative Instruments - Schedule of Balance Sheet Position of Forward Interest Rate Swaps Designated in Hedge Relationship (Detail) - USD ($) $ in Thousands	Oct. 03, 2015	Dec. 31, 2014
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Accrued liabilities	$ 379,261	$ 421,070
Other long-term liabilities	85,577	74,434
Forward Interest Rate Swap [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Accrued liabilities	633	0
Other long-term liabilities	$ 20,098	$ 2,170
Hedge effectiveness	100.00%	100.00%