v2.4.0.6
Fair Value Measurements (Tables)
3 Months Ended
Feb. 29, 2012
Fair Value Measurements [Abstract]  
Fair Value Measurements Within The Fair Value Hierarchy Of The Financial Assets
Activity For Financial Assets Measured At Fair Value Using Level 3 Inputs
     Three Months Ended  
     February 29,
2012
    February 28,
2011
 

Balance, beginning of period

   $ 33,539      $ 39,643   

Redemptions and repurchases

     (225     (200

Unrealized gains included in accumulated other comprehensive loss

     29        396   
  

 

 

   

 

 

 

Balance, end of period

   $ 33,343      $ 39,839