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Inventories (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Inventory Net    
Raw materials $ 97,319 $ 92,849
Work-in-process 32,316 30,856
Finished goods [1] 194,309 163,393
Total inventories $ 323,944 $ 287,098
[1] (a) Includes consignment inventories held by customers of $13.0 million and $13.6 million at December 31, 2020 and 2019, respectively.