Derivative Financial Instruments - Summary of Pre-Tax Changes in Fair Value (Detail) - Commodity Contract [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 02, 2016	Sep. 27, 2015	Oct. 02, 2016	Sep. 27, 2015
Derivative Instruments, Gain (Loss) [Line Items]
Total	$ 388	$ (2,130)	$ 4,198	$ (2,236)
Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Total	401	(1,438)	2,695	(2,118)
Selling, Delivery and Administrative Expenses [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Total	$ (13)	$ (692)	$ 1,503	$ (118)