EARNINGS PER SHARE - Reconciliation of Loss Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Jul. 31, 2023	Apr. 30, 2023	Jul. 31, 2024
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Net income	$ 8,149	$ 7,460	$ 87,980
Less: Preferred dividends on Series C preferred stock	537	1,593	2,135
Net income attributable to common stockholders	7,612	5,867	85,845
Less: Undistributed earnings allocated to participating securities	(5,803)	0	(65,336)
Net income attributable to common stockholders	1,809	5,867	20,509
Interest costs on SPHG Note	0	0	971
Dividends on Series C preferred stock	537	1,593	2,135
Undistributed earnings allocated to Series E preferred stock	5,803	0	65,336
Net income attributable to common stockholders - assuming dilution	$ 8,149	$ 7,460	$ 88,951
Basic net income (loss) per share (in usd per share)	$ 0.29	$ 0.91	$ 3.30
Diluted net income (loss) per share (in usd per share)	$ 0.29	$ 0.89	$ 3.11
Weighted-average number of common units outstanding - basic (in shares)	6,177	6,449	6,218
Common stock equivalents - Restricted stock and restricted stock shares (in shares)	60	55	64
Common stock equivalents - SPHG Note (in shares)	0	0	584
Weighted-average number of common units outstanding - diluted (in shares)	27,960	8,417	28,589
Common stock equivalents - Series C Preferred Stock
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Incremental common shares attributable to dilutive effect of conversion of preferred stock (in shares)	1,913	1,913	1,913
Series E Preferred Stock
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Incremental common shares attributable to dilutive effect of conversion of preferred stock (in shares)	19,810	0	19,810