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INVENTORIES (Tables)
12 Months Ended
Dec. 25, 2021
Inventory Disclosure [Abstract]  
Schedule of Components of Inventories Inventories consisted of the following at December 25, 2021 and December 26, 2020:
20212020
Raw materials and purchased parts
$278,107 $155,512 
Work-in-process
63,628 33,632 
Finished goods and manufactured goods
387,099 259,797 
$728,834 $448,941