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Note 8 . Goodwill (Tables)
3 Months Ended
Nov. 30, 2011
Schedule of Goodwill [Table Text Block]
   
U.S.
   
Europe
   
Asia
Pacific
   
Total
 
Balance at August 31, 2011
  $ 145,826     $ 78,172     $ 4,267     $ 228,265  
                                 
Goodwill acquired during the period
    0       0       0       0  
Foreign currency translations
    0       (3,426 )     (63 )     (3,489 )
Balance at November 30, 2011
  $ 145,826     $ 74,746     $ 4,204     $ 224,776