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Stock-Based Compensation (Tables)
12 Months Ended
Jul. 31, 2020
Stock-Based Compensation (Tables) [Line Items]  
Schedule of stock option activity
   Number of
Options
(in thousands)
   Weighted-
Average
Exercise
Price
   Weighted-
Average
Remaining
Contractual
Term (in years)
   Aggregate
Intrinsic Value
(in thousands)
 
Outstanding at July 31, 2019   1,223   $14.23                             
Granted   
    
           
Exercised   (33)   (8.48)          
Cancelled / Forfeited   (64)   (13.93)          
OUTSTANDING AT JULY 31, 2020   1,126   $14.42    2.0   $
 
EXERCISABLE AT JULY 31, 2020   1,126   $14.42    2.0   $
 

 

Schedule of grants of restricted shares
(in thousands)  Number of
Non-vested
DSUs
   Weighted-
Average
Grant-
Date Fair
Value
 
Non-vested shares at July 31, 2019   411   $10.35 
Granted   7    11.19 
Vested   (100)   (10.68)
Forfeited   (3)   (11.19)
NON-VESTED SHARES AT JULY 31, 2020   315   $10.26 

  

Common Class B [Member]  
Stock-Based Compensation (Tables) [Line Items]  
Schedule of grants of restricted shares
(in thousands)  Number of
Non-vested
Shares
   Weighted-
Average
Grant-
Date Fair
Value
 
Non-vested shares at July 31, 2019   206   $4.84 
Granted   26    7.01 
Vested   (32)   (8.91)
Forfeited   (1)   (13.50)
NON-VESTED SHARES AT JULY 31, 2020   199   $4.41