SEGMENT INFORMATION - Summarized Financial Information of Continuing Operations (Detail) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2020	Oct. 31, 2019
Segment Reporting Information [Line Items]
Revenue from contracts with customers	$ 169,934	$ 225,153
Operating income	7,075	14,742
Total other expense	(9,822)	(8,595)
(Loss) income before income taxes	(2,747)	6,147
Direct Marketing
Segment Reporting Information [Line Items]
Revenue from contracts with customers	105,708	133,003
Supply Chain
Segment Reporting Information [Line Items]
Revenue from contracts with customers	64,226	92,150
Operating segments
Segment Reporting Information [Line Items]
Operating income	10,088	17,713
Operating segments | Direct Marketing
Segment Reporting Information [Line Items]
Revenue from contracts with customers	105,708	133,003
Operating income	4,937	11,203
Operating segments | Supply Chain
Segment Reporting Information [Line Items]
Revenue from contracts with customers	64,226	92,150
Operating income	5,151	6,510
Corporate
Segment Reporting Information [Line Items]
Operating income	$ (3,013)	$ (2,971)