Inventories - Summary of Inventories (Detail) - USD ($) $ in Thousands	Jan. 03, 2016	Dec. 28, 2014
Inventory Disclosure [Abstract]
Finished products	$ 56,252	$ 42,526
Manufacturing materials	12,277	10,133
Plastic shells, plastic pallets and other inventories	20,935	18,081
Total inventories	$ 89,464	$ 70,740