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Inventories - Schedule of Inventories (Detail) - USD ($)
$ in Thousands
Mar. 29, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 23,246 $ 27,285
Work-in-process 6,034 5,503
Finished goods 25,705 27,473
Inventories $ 54,985 $ 60,261