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Inventories
 9 Months Ended
Sep. 30, 2023
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consist of the following:
(In thousands)September 30
2023		December 31
2022
Finished goods$16,050 $11,809 
Work-in-process1,255 2,030 
Raw materials and purchased parts23,863 27,946 
Stores and supplies43,401 39,590 
Total inventories$84,569 $81,375