DISCONTINUED OPERATIONS - Summary of Statement of Discontinued Operation (Details) - USD ($)	3 Months Ended		9 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2022	Apr. 30, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from discontinued operations, net of tax	$ 39,895,000	$ (18,335,000)	$ (108,000)	$ (21,895,000)
Goodwill, impairment loss		25,658,000
Discontinued Operations, Disposed of by Sale | IWCO Direct Holdings, Inc.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenue	18,167,000	102,351,000	165,542,000	299,214,000
Cost of revenue	17,894,000	80,007,000	156,697,000	229,939,000
Gross profit	273,000	22,344,000	8,845,000	69,275,000
Selling, general and administrative	4,517,000	8,988,000	30,744,000	33,319,000
Amortization of intangible assets	1,218,000	4,182,000	9,303,000	16,076,000
Impairment of goodwill	0	25,658,000	0	25,658,000
Total operating expenses	5,735,000	38,828,000	40,047,000	75,053,000
Operating loss	(5,462,000)	(16,484,000)	(31,202,000)	(5,778,000)
Gain upon deconsolidation of IWCO Direct	38,043,000	0	38,043,000	0
Interest income	0	0	0	3,000
Interest expense	(1,848,000)	(7,145,000)	(16,111,000)	(21,491,000)
Other losses, net	0	(1,000)	0	(38,000)
Total other expense, net	36,195,000	(7,146,000)	21,932,000	(21,526,000)
Loss from operations of discontinued operations before income taxes	30,733,000	(23,630,000)	(9,270,000)	(27,304,000)
Income tax benefit	(9,162,000)	(5,295,000)	(9,162,000)	(5,409,000)
Income (loss) from discontinued operations, net of tax	$ 39,895,000	$ (18,335,000)	$ (108,000)	$ (21,895,000)