SEGMENT INFORMATION - Total Assets of Continuing Operations (Detail) - USD ($) $ in Thousands	Oct. 31, 2020	Jul. 31, 2020
Segment Reporting Information [Line Items]
Total assets	$ 756,357	$ 759,172
Operating segments
Segment Reporting Information [Line Items]
Total assets	704,835	723,250
Operating segments | Direct Marketing
Segment Reporting Information [Line Items]
Total assets	590,449	584,477
Operating segments | Supply Chain
Segment Reporting Information [Line Items]
Total assets	114,386	138,773
Corporate
Segment Reporting Information [Line Items]
Total assets	$ 51,522	$ 35,922