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Inventories
3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consist of the following components (dollars in thousands):
 March 31,
2022
December 31,
2021
Finished goods$73,350 $74,600 
Work in process32,550 28,790 
Raw materials52,460 49,060 
Total inventories$158,360 $152,450