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Fair Value of Financial Instruments - Deferred Compensation Plan Commodity Hedging Agreements and Acquisition Related Contingent Consideration (Detail) - USD ($) $ in Thousands	Apr. 03, 2016	Jan. 03, 2016	Mar. 29, 2015	Dec. 28, 2014
Assets
Commodity hedging agreements	$ 70	$ 3	$ 643
Liabilities
Commodity hedging agreements	2,470	3,442	0
Acquisition related contingent consideration	177,933		98,505
Level 1 [Member]
Assets
Deferred compensation plan assets	21,407	20,755	19,720
Liabilities
Deferred compensation plan liabilities	21,407	20,755	19,720
Level 3 [Member]
Liabilities
Acquisition related contingent consideration	177,933	136,570	98,505	$ 46,850
Commodity Contract [Member] \| Level 2 [Member]
Assets
Commodity hedging agreements	70	3	643
Liabilities
Commodity hedging agreements	$ 2,470	$ 3,442	$ 0