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Inventories
6 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consist of the following components (dollars in thousands):
 June 30,
2021
December 31,
2020
Finished goods$77,850 $78,010 
Work in process31,040 29,680 
Raw materials41,030 41,690 
Total inventories$149,920 $149,380