Inventories - Summary of Inventories (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Jan. 01, 2017
Inventory Disclosure [Abstract]
Finished products	$ 116,354	$ 90,259
Manufacturing materials	33,073	23,196
Plastic shells, plastic pallets and other inventories	34,191	30,098
Total inventories	$ 183,618	$ 143,553