PROPERTY AND EQUIPMENT - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2019	Jul. 31, 2018
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 22,058	$ 16,791
Proceeds associated with the sale of property and equipment	19	20,748
Gain associated with the sale of property	(485)	12,692
Supply Chain
Property, Plant and Equipment [Line Items]
Impairment of long-lived assets	3,000
Depreciation expense	5,600	6,800
Direct Marketing
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 16,400	$ 10,000