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Inventories (Tables)
3 Months Ended
Apr. 01, 2023
Inventory Disclosure [Abstract]  
Schedule of Inventories Inventories consisted of the following:
(Dollars in thousands)
April 1,
2023
December 31,
2022
Raw materials and supplies$166,375 $143,495 
Work in process23,774 23,799 
Finished goods3,850 3,917 
Total$193,999 $171,211