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Inventories
6 Months Ended
Jun. 30, 2022
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories, which are valued at the lower of cost or net realizable value, consisted of the following:
(Dollars in thousands)June 30, 2022December 31, 2021
Raw materials$80,496 $60,208 
Work-in-process43,088 29,078 
Finished goods47,545 44,098 
Total inventories$171,129 $133,384