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Shareholders' Equity (Tables)
 12 Months Ended
Jul. 31, 2016
Shareholders' Equity [Abstract]  
Components of Accumulated Other Comprehensive Loss
The components of accumulated other comprehensive loss are summarized in the following table.

 
Balance at July 31,
 
 
2016
  
2015
 
 
(in thousands)
 
      
Unrealized net foreign currency translation losses
$
(2,176
)
 
$
(1,738
)
Unrealized net investment gains on available for sale investments
 
33
   
12
 
Total accumulated other comprehensive loss
$
(2,143
)
 
$
(1,726
)