GOODWILL AND INTANGIBLE ASSETS - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Apr. 30, 2021	Apr. 30, 2020	Apr. 30, 2021	Apr. 30, 2020	Jul. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 231,470		$ 231,470		$ 257,128
Gross Carrying Amount	213,250		213,250		213,250
Accumulated Amortization	94,063		94,063		77,987
Net Carrying Amount	119,187		119,187		$ 135,263
Net revenues	151,785	$ 177,351	477,766	$ 617,956
Goodwill impairment charge	25,658	$ 0	$ 25,658	$ 0
Revenue Benchmark | Customer Concentration Risk
Finite-Lived Intangible Assets [Line Items]
Concentration risk, percentage			7.00%		7.00%
Revenue Benchmark | Customer Concentration Risk | IWCO Direct Holdings, Inc.
Finite-Lived Intangible Assets [Line Items]
Net revenues			$ 10,900		$ 13,100
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period			15 years
Gross Carrying Amount	192,730		$ 192,730		192,730
Accumulated Amortization	73,543		73,543		60,032
Net Carrying Amount	119,187		$ 119,187		132,698
Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period			3 years
Gross Carrying Amount	20,520		$ 20,520		20,520
Accumulated Amortization	20,520		20,520		17,955
Net Carrying Amount	0		0		2,565
Direct Marketing
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 231,500		$ 231,500		$ 257,100