SEGMENT INFORMATION - Summarized Financial Information of Continuing Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2023	Jan. 31, 2022
Segment Reporting Information [Line Items]
Revenue from contracts with customers	$ 50,781	$ 54,322	$ 102,140	$ 98,676
Operating income	2,603	51	6,482	622
Total other expense, net	(3,475)	(814)	(1,272)	(2,053)
(Loss) income from continuing operations before income taxes	(872)	(763)	5,210	(1,431)
Operating segments
Segment Reporting Information [Line Items]
Operating income	5,388	2,374	11,238	4,347
Operating segments | Supply Chain
Segment Reporting Information [Line Items]
Revenue from contracts with customers	50,781	54,322	102,140	98,676
Operating income	5,388	2,374	11,238	4,347
Corporate
Segment Reporting Information [Line Items]
Operating income	$ (2,785)	$ (2,323)	$ (4,756)	$ (3,725)