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Inventories, Net
 6 Months Ended
Jun. 26, 2021
Inventory Disclosure [Abstract]  
Inventories, Net INVENTORIES, NET
Inventories are summarized as follows:
June 26,
2021		December 26,
2020
Raw materials$37,199 $31,167 
Work-in-process16,020 13,305 
Finished goods62,827 59,271 
Supplies and other151 167 
LIFO reserve(24,813)(18,511)
Inventories, net$91,384 $85,399