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Inventories (Tables)
12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
Inventories, Net of Reserves
Inventories, net of reserves were as follows:
December 31,
In thousands20212020
Raw materials$87,448 $55,466 
In-process and finished139,058 97,109 
Supplies53,014 43,655 
Total$279,520 $196,230