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Note 5 - Unconsolidated Affiliated Companies (Tables) (Zenith Freight Lines [Member])
3 Months Ended
Mar. 01, 2014
Zenith Freight Lines [Member]
 
Note 5 - Unconsolidated Affiliated Companies (Tables) [Line Items]  
Equity Method Investments [Table Text Block]
   

Quarter Ended

 
   

March 1, 2014

   

March 2, 2013

 

Earnings recognized

  $ 65     $ 114