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Stock-Based Compensation (Tables)
 3 Months Ended
Oct. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Restricted Stock Transactions
A summary of restricted stock transactions is shown below:
 
Restricted Shares
(in thousands)
 
Weighted Average Grant Date Fair Value
Non-vested restricted stock outstanding at July 31, 2017
185

 
$
30.96

Granted
24

 
$
42.76

Vested
(27
)
 
$
29.94

Forfeitures
(1
)
 
$
33.77

Non-vested restricted stock outstanding at October 31, 2017
181

 
$
32.66