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Inventories
 6 Months Ended
Jun. 30, 2022
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consist of the following:
(In thousands)June 30
2022		December 31
2021
Finished goods$8,821 $8,323 
Work-in-process4,894 5,393 
Raw materials and purchased parts27,866 21,188 
Stores and supplies39,418 35,589 
Total inventories$80,999 $70,493