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Note 7. Segment reporting (Tables)
15 Months Ended
Nov. 30, 2011
Schedule of Segment Reporting Information, by Segment [Table Text Block]
For the three months ended November 30, 2011
 
U.S.
   
Europe
   
Asia Pacific
   
Total
 
Revenues from clients
  $ 134,477     $ 48,105     $ 13,866     $ 196,448  
Segment operating profit
    36,436       23,781       6,536       66,753  
Total assets
    373,984       245,446       44,076       663,506  
Capital expenditures
    5,612       55       387       6,054  
                                 
For the three months ended November 30, 2010
 
U.S.
   
Europe
   
Asia Pacific
   
Total
 
Revenues from clients
  $ 118,224     $ 43,187     $ 11,878     $ 173,289  
Segment operating profit
    35,201       18,519       5,709       59,429  
Total assets
    416,677       217,139       25,591       659,407  
Capital expenditures
    6,620       167       1,234       8,021