SEGMENT INFORMATION - Summarized Financial Information of Continuing Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2022	Jan. 31, 2021
Segment Reporting Information [Line Items]
Revenue from contracts with customers	$ 120,638	$ 156,047	$ 246,051	$ 325,981
Operating (loss) income	(14,211)	8,681	(25,118)	15,756
Total other expense, net	(8,043)	(9,986)	(16,315)	(19,808)
Loss before income taxes	(22,254)	(1,305)	(41,433)	(4,052)
Direct Marketing
Segment Reporting Information [Line Items]
Revenue from contracts with customers	66,316	91,155	147,375	196,863
Supply Chain
Segment Reporting Information [Line Items]
Revenue from contracts with customers	54,322	64,892	98,676	129,118
Operating segments
Segment Reporting Information [Line Items]
Operating (loss) income	(11,888)	10,726	(21,393)	20,814
Operating segments | Direct Marketing
Segment Reporting Information [Line Items]
Revenue from contracts with customers	66,316	91,155	147,375	196,863
Operating (loss) income	(14,262)	5,769	(25,740)	10,706
Operating segments | Supply Chain
Segment Reporting Information [Line Items]
Revenue from contracts with customers	54,322	64,892	98,676	129,118
Operating (loss) income	2,374	4,957	4,347	10,108
Corporate
Segment Reporting Information [Line Items]
Operating (loss) income	$ (2,323)	$ (2,045)	$ (3,725)	$ (5,058)