LOSS PER SHARE - Reconciliation of (Loss) Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2022	Apr. 30, 2021
Earnings Per Share [Abstract]
Net income (loss)	$ 30,200	$ (27,629)	$ (12,271)	$ (33,376)
Less: Preferred dividends on redeemable preferred stock	(537)	(519)	(1,611)	(1,586)
Net income (loss) attributable to common stockholders	29,663	(28,148)	(13,882)	(34,962)
Continuing operations, net of tax	(10,232)	(9,813)	(13,774)	(13,067)
Discontinued operations, net of tax	$ 39,895	$ (18,335)	$ (108)	$ (21,895)
Weighted average common shares outstanding (in shares)	59,853	62,263	59,961	61,898
Basic and diluted net income (loss) per share attributable to common stockholders:
Continuing operations (in usd per share)	$ (0.17)	$ (0.16)	$ (0.23)	$ (0.21)
Discontinued operations, net of tax (in usd per share)	0.67	(0.29)	0	(0.35)
Total income (loss) per share (in usd per share)	$ 0.50	$ (0.45)	$ (0.23)	$ (0.56)