Inventories - Summary of Inventories (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2014	Dec. 29, 2013	Sep. 29, 2013
Inventory Disclosure [Abstract]
Finished products	$ 50,732	$ 35,360	$ 42,695
Manufacturing materials	9,796	9,127	8,594
Plastic shells, plastic pallets and other inventories	19,595	17,500	18,966
Total inventories	$ 80,123	$ 61,987	$ 70,255