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Inventories - Components of Inventory (Detail) - USD ($)
$ in Thousands
Apr. 02, 2016
Jan. 02, 2016
Inventory Disclosure [Abstract]    
Raw materials $ 29,128 $ 25,781
Work-in-process 4,617 4,337
Finished goods 28,760 31,920
Total inventories $ 62,505 $ 62,038