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Note 7 - Unconsolidated Affiliated Companies (Tables)
9 Months Ended
Aug. 25, 2012
Schedule of Equity Method Investments [Table Text Block]
   
Quarter Ended
   
Nine Months Ended
 
   
August 25, 2012
   
August 27, 2011
   
August 25, 2012
   
August 27, 2011
 
Income
  $ 23     $ (139 )   $ 157     $ (48 )
Dividends received
    -       -       -       -  
   
Quarter Ended
   
Nine Months Ended
 
   
August 25, 2012
   
August 27, 2011
   
August 25, 2012
   
August 27, 2011
 
Income
  $ -     $ -     $ -     $ 1,832  
Dividends received
    -       -       -       3,756  
Schedule of Unaudited Income Statement of Unconsolidated Affiliated Company [Table Text Block]
Revenue
  $ 15,875  
Operating income
    9,876  
Net income
    3,908