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Inventories - Summary of Inventories (Detail) - USD ($)
$ in Thousands
Jun. 28, 2015
Dec. 28, 2014
Jun. 29, 2014
Inventory Disclosure [Abstract]      
Finished products $ 67,936 $ 42,526 $ 55,027
Manufacturing materials 11,024 10,133 10,162
Plastic shells, plastic pallets and other inventories 20,681 18,081 18,124
Total inventories $ 99,641 $ 70,740 $ 83,313