EARNINGS (LOSS) PER SHARE - Reconciliation of (Loss) Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2023	Jan. 31, 2022
Earnings Per Share [Abstract]
Net (loss) income from continuing operations	$ (526)	$ (1,486)	$ 4,431	$ (2,469)
Net loss from discontinued operations	0	(21,491)	0	(40,002)
Net (loss) income	(526)	(22,977)	4,431	(42,471)
Less: Preferred dividends on redeemable preferred stock	(537)	(537)	(1,074)	(1,074)
Net (loss) income attributable to common stockholders	$ (1,063)	$ (23,514)	$ 3,357	$ (43,545)
Continuing operations, basic (in usd per share)	$ (0.02)	$ (0.03)	$ 0.06	$ (0.06)
Discontinued operations, basic (in usd per share)	0	(0.36)	0	(0.67)
Basic net income (loss) per share attributable to common stockholders (in usd per share)	(0.02)	(0.39)	0.06	(0.73)
Continuing operations, diluted (in usd per share)	(0.02)	(0.03)	0.06	(0.06)
Discontinued operations, diluted (in usd per share)	0	(0.36)	0	(0.67)
Diluted net income (loss) per share attributable to common stockholders (in usd per share)	$ (0.02)	$ (0.39)	$ 0.06	$ (0.73)
Weighted -average common shares outstanding, basic (in shares)	60,178	59,748	60,129	60,027
Common stock equivalents - Restricted stock and restricted stock shares (in shares)	0	0	508	0
Weighted average common shares outstanding, diluted (in shares)	60,178	59,748	60,637	60,027