SEGMENT INFORMATION - Total Assets of Continuing Operations (Details) - USD ($) $ in Thousands	Oct. 31, 2021	Jul. 31, 2021
Segment Reporting Information [Line Items]
Total assets	$ 653,154	$ 676,381
Operating segments
Segment Reporting Information [Line Items]
Total assets	608,392	632,103
Operating segments | Direct Marketing
Segment Reporting Information [Line Items]
Total assets	514,997	530,944
Operating segments | Supply Chain
Segment Reporting Information [Line Items]
Total assets	93,395	101,159
Corporate
Segment Reporting Information [Line Items]
Total assets	$ 44,762	$ 44,278