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Inventories
3 Months Ended
Mar. 31, 2021
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)March 31, 2021December 31, 2020
Raw materials$38,892 $36,349 
Work-in-process22,963 20,520 
Finished goods27,765 28,929 
89,620 85,798 
Less: inventory reserves(857)(718)
Inventories, net$88,763 $85,080