SEGMENT INFORMATION - Summarized Financial Information of Continuing Operations (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2021	Jan. 31, 2020
Segment Reporting Information [Line Items]
Revenue from contracts with customers	$ 156,047	$ 215,452	$ 325,981	$ 440,605
Operating income	8,681	7,173	15,756	21,915
Total other expense	(9,986)	(9,542)	(19,808)	(18,137)
(Loss) income before income taxes	(1,305)	(2,369)	(4,052)	3,778
Direct Marketing
Segment Reporting Information [Line Items]
Revenue from contracts with customers	91,155	123,117	196,863	256,120
Supply Chain
Segment Reporting Information [Line Items]
Revenue from contracts with customers	64,892	92,335	129,118	184,485
Operating segments
Segment Reporting Information [Line Items]
Operating income	10,726	9,980	20,814	27,693
Operating segments | Direct Marketing
Segment Reporting Information [Line Items]
Revenue from contracts with customers	91,155	123,117	196,863	256,120
Operating income	5,769	4,217	10,706	15,420
Operating segments | Supply Chain
Segment Reporting Information [Line Items]
Revenue from contracts with customers	64,892	92,335	129,118	184,485
Operating income	4,957	5,763	10,108	12,273
Corporate
Segment Reporting Information [Line Items]
Operating income	$ (2,045)	$ (2,807)	$ (5,058)	$ (5,778)