SEGMENT INFORMATION - Total Assets of Continuing Operations (Detail) - USD ($) $ in Thousands	Jan. 31, 2020	Jul. 31, 2019
Segment Reporting Information [Line Items]
Total assets	$ 788,895	$ 731,563
Operating Segments
Segment Reporting Information [Line Items]
Total assets	760,782	713,102
Operating Segments | Supply Chain
Segment Reporting Information [Line Items]
Total assets	141,053	112,712
Operating Segments | Direct Marketing
Segment Reporting Information [Line Items]
Total assets	619,729	600,390
Corporate-level activity
Segment Reporting Information [Line Items]
Total assets	$ 28,113	$ 18,461