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Inventories
12 Months Ended
Dec. 31, 2020
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consisted of the following:
 
(In thousands)
December 31,
20202019
Raw materials and supplies$107,983 $98,151 
Work in process15,895 10,887 
Finished goods5,345 3,444 
Total$129,223 $112,482