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SEGMENT INFORMATION - Additional Information (Detail)
$ in Thousands
12 Months Ended
Jul. 31, 2021
USD ($)
segment
Jul. 31, 2020
USD ($)
Segment Reporting Information [Line Items]    
Number of reportable segments | segment 1  
Total assets $ 676,381 $ 759,172
United States    
Segment Reporting Information [Line Items]    
Total assets $ 400 $ 500