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Note 4 - Inventories (Tables)
 9 Months Ended
Sep. 02, 2017
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
September 2,
    
December 3,
  
   
2017
    
2016
  
Raw materials
  
$
149,332
     $
116,200
  
Finished goods
  
 
180,682
      
142,397
  
LIFO reserve
  
 
(12,046
)
    
(11,198
 )
Total inventories
  
$
317,968
     $
247,399