Inventories - Summary of Inventories (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 30, 2012	Jul. 01, 2012
Inventory Disclosure [Abstract]
Finished products	$ 46,019	$ 36,445	$ 45,958
Manufacturing materials	10,397	11,019	11,285
Plastic shells, plastic pallets and other inventories	18,937	18,460	19,533
Total inventories	$ 75,353	$ 65,924	$ 76,776