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Inventories
6 Months Ended
Jul. 03, 2021
Inventory Disclosure [Abstract]  
Inventories InventoriesInventories consisted of the following:
(Dollars in thousands)
July 3,
2021
December 31,
2020
Raw materials and supplies$125,998 $107,983 
Work in process14,164 15,895 
Finished goods4,442 5,345 
Total$144,604 $129,223