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Inventories (Detail) - USD ($)
$ in Thousands
Jun. 27, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 111,099 $ 92,849
Work-in process 38,385 30,856
Finished goods 183,401 163,393
Total inventories, net $ 332,885 $ 287,098