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Inventories - Major Classes of Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Raw materials $ 157,306 $ 106,514
Work-in-process 43,642 32,011
Finished goods 190,090 141,042
Gross inventories 391,038 279,567
Excess and obsolete reserves (45,684) (32,269)
Net inventories $ 345,354 $ 247,298