SEGMENT INFORMATION - Total Assets of Continuing Operations (Detail) - USD ($) $ in Thousands	Jul. 31, 2020	Jul. 31, 2019
Segment Reporting Information [Line Items]
Total assets	$ 759,172	$ 731,563
Operating Segments
Segment Reporting Information [Line Items]
Total assets	723,250	713,102
Operating Segments | Direct Marketing
Segment Reporting Information [Line Items]
Total assets	584,477	600,390
Operating Segments | Supply Chain
Segment Reporting Information [Line Items]
Total assets	138,773	112,712
Corporate
Segment Reporting Information [Line Items]
Total assets	$ 35,922	$ 18,461