SEGMENT INFORMATION - Summarized Financial Information of Continuing Operations by Operating Segment and Corporate-Level Activity (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2020	Jul. 31, 2019
Segment Reporting Information [Line Items]
Revenues	$ 782,813	$ 819,830
Total operating income (loss)	32,443	(25,279)
Total other expense	(31,810)	(36,820)
Income (loss) before income taxes	633	(62,099)
Direct Marketing
Segment Reporting Information [Line Items]
Revenues	444,360	486,902
Supply Chain
Segment Reporting Information [Line Items]
Revenues	338,453	332,928
Operating Segments
Segment Reporting Information [Line Items]
Total operating income (loss)	40,892	(12,976)
Operating Segments | Direct Marketing
Segment Reporting Information [Line Items]
Revenues	444,360	486,902
Total operating income (loss)	12,940	(9,154)
Operating Segments | Supply Chain
Segment Reporting Information [Line Items]
Revenues	338,453	332,928
Total operating income (loss)	27,952	(3,822)
Corporate-level activity
Segment Reporting Information [Line Items]
Total operating income (loss)	$ (8,449)	$ (12,303)