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Fair Value Measurements (Tables)
 6 Months Ended
Jan. 31, 2014
FAIR VALUE MEASUREMENTS [Abstract]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis
The following table summarizes our financial assets and liabilities that were measured at fair value by level within the fair value hierarchy:
 
Fair Value at January 31, 2014
 
(in thousands)
 
Total
 
Level 1
 
Level 2
Assets
 
 
 
 
 
Cash equivalents
$
3,555

 
$
3,555

 
$
—

Marketable equity securities
87

 
87

 
—

Cash surrender value of life insurance
4,493

 
—

 
4,493