XML 58 R21.htm IDEA: XBRL DOCUMENT v2.4.0.8
Note 5 - Unconsolidated Affiliated Companies (Tables) (Zenith Freight Lines [Member])
6 Months Ended
May 31, 2014
Zenith Freight Lines [Member]
 
Note 5 - Unconsolidated Affiliated Companies (Tables) [Line Items]  
Equity Method Investments [Table Text Block]
   

Quarter Ended

   

Six Months Ended

 
   

May 31, 2014

   

June 1, 2013

   

May 31, 2014

   

June 1, 2013

 

Earnings recognized

  $ 278     $ 168     $ 343     $ 282