v2.4.0.6
Comprehensive Income (Tables)
3 Months Ended
Feb. 29, 2012
Comprehensive Income [Abstract]  
Composition Of Comprehensive Income
     Three Months Ended  
     February 29,
2012
     February 28,
2011
 

Net income

   $ 7,489       $ 20,521   

Foreign currency translation adjustments

     3,033         3,964   

Unrealized gains on investments

     423         403   
  

 

 

    

 

 

 

Total comprehensive income

   $ 10,945       $ 24,888