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Inventories
9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories are stated at the lower of cost or net realizable value. Cost is determined by either specific identification or weighted average methods. The components of inventories are as follows:
(in thousands)September 30, 2020December 31, 2019
Raw materials$39,843 $42,896 
Work-in-process20,780 17,616 
Finished goods29,964 38,422 
$90,587 $98,934 
Less inventory reserves$1,580 $748 
Inventories, net$89,007 $98,186