Derivative Financial Instruments - Summary of Pre-Tax Changes in Fair Value (Detail) - Commodity Contract [Member] - USD ($) $ in Thousands	12 Months Ended
	Jan. 03, 2016	Dec. 28, 2014	Dec. 29, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Total	$ (3,439)	$ 0	$ (500)
Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Total	(2,354)	0	(500)
Selling, Delivery and Administrative Expenses [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Total	$ (1,085)	$ 0	$ 0