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Investments and Fair Value Measurements (Tables)
12 Months Ended
Jul. 31, 2012
Assets Measured at Fair Value using Significant Unobservable Inputs

The following table provides a reconciliation of the beginning and ending balances for the assets measured at fair value using significant unobservable inputs (Level 3 financial assets):

 

     2012      2011  

Balances at beginning of year

    $         2,042        $         5,327   

Net change in other comprehensive income

     13         415   

Sales/Maturities

     (650)         (3,700)   
  

 

 

    

 

 

 

Balances at end of year

    $ 1,405        $ 2,042