ACQUISITION OF IWCO DIRECT - Additional Information (Detail) - USD ($) $ in Thousands		12 Months Ended
	Dec. 15, 2017	Jul. 31, 2019	Jul. 31, 2018
Business Acquisition [Line Items]
Payments to acquire business, net of cash acquired		$ 0	$ 469,221
Goodwill		257,128	254,352
Operating income		(25,279)	(8,306)
Loss before income taxes		$ (62,099)	(35,288)
IWCO
Business Acquisition [Line Items]
Payments to acquire business, net of cash acquired	$ 469,200
Proceeds from term loan under financing agreement	393,000
Receivable from escrow for working capital claims	2,500
Transaction price included one-time transaction incentive awards	3,500
Transaction costs	1,500
Intangible assets	213,250
Goodwill	257,128
Net revenue			299,400
Operating income			10,700
Loss before income taxes			$ 11,400
Trademarks and Trade Names | IWCO
Business Acquisition [Line Items]
Intangible assets	$ 20,500
Acquired finite-lived intangible assets, weighted average useful life	3 years
Customer Relationships | IWCO
Business Acquisition [Line Items]
Intangible assets	$ 192,700
Acquired finite-lived intangible assets, weighted average useful life	15 years