SEGMENT INFORMATION - Total Assets of Continuing Operations (Detail) - USD ($) $ in Thousands	Apr. 30, 2021	Jul. 31, 2020
Segment Reporting Information [Line Items]
Total assets	$ 693,855	$ 759,172
Operating segments
Segment Reporting Information [Line Items]
Total assets	650,330	753,967
Operating segments | Direct Marketing
Segment Reporting Information [Line Items]
Total assets	544,725	584,477
Operating segments | Supply Chain
Segment Reporting Information [Line Items]
Total assets	105,605	169,490
Corporate
Segment Reporting Information [Line Items]
Total assets	$ 43,525	$ 5,205