SEGMENT INFORMATION - Summarized Financial Information of Continuing Operations by Operating Segment and Corporate-Level Activity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023
Segment Reporting Information [Line Items]
Revenue from contracts with customers	$ 43,855	$ 46,142	$ 128,240	$ 148,283
Operating income	2,980	305	6,507	6,789
Total other income, net	880	3,575	8,000	2,301
Income before income taxes	3,860	3,880	14,507	9,090
Operating segments
Segment Reporting Information [Line Items]
Operating income	4,448	5,249	10,187	16,488
Operating segments | Supply Chain
Segment Reporting Information [Line Items]
Revenue from contracts with customers	43,855	46,142	128,240	148,283
Operating income	4,448	5,249	10,187	16,488
Corporate
Segment Reporting Information [Line Items]
Operating income	$ (1,468)	$ (4,944)	$ (3,680)	$ (9,699)