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Inventories - Inventories Stated at Lower of Average Cost or Net Realizable Value (Detail) - USD ($)
$ in Thousands
Jul. 03, 2021
Jan. 02, 2021
Inventory Disclosure [Abstract]    
Raw materials $ 11,007 $ 9,999
Work-in-progress 5,046 4,832
Finished goods 4,471 6,858
Inventories $ 20,524 $ 21,689