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Inventories, Net
 9 Months Ended
Sep. 25, 2021
Inventory Disclosure [Abstract]  
Inventories, Net INVENTORIES, NET
Inventories are summarized as follows:
September 25,
2021		December 26,
2020
Raw materials$34,063 $23,877 
Work-in-process15,623 12,086 
Finished goods56,031 46,017 
Supplies and other155 168 
LIFO reserve(22,678)(14,248)
Inventories, net$83,194 $67,900