PROPERTY AND EQUIPMENT - Property and Equipment, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 01, 2020	Aug. 04, 2019	Aug. 03, 2019
Property, Plant and Equipment [Line Items]
Property and equipment	$ 2,512,220		$ 2,540,260
Less accumulated depreciation and amortization	811,004		644,096
Property and equipment, net	1,701,216	$ 1,753,623	1,896,164
Land
Property, Plant and Equipment [Line Items]
Property and equipment	142,737		177,970
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property and equipment	$ 970,528		1,081,887
Buildings and improvements | Minimum
Property, Plant and Equipment [Line Items]
Original Estimated Useful Lives	20 years
Buildings and improvements | Maximum
Property, Plant and Equipment [Line Items]
Original Estimated Useful Lives	40 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment	$ 205,537		151,311
Leasehold improvements | Minimum
Property, Plant and Equipment [Line Items]
Original Estimated Useful Lives	5 years
Leasehold improvements | Maximum
Property, Plant and Equipment [Line Items]
Original Estimated Useful Lives	20 years
Equipment
Property, Plant and Equipment [Line Items]
Property and equipment	$ 878,483		768,800
Equipment | Minimum
Property, Plant and Equipment [Line Items]
Original Estimated Useful Lives	3 years
Equipment | Maximum
Property, Plant and Equipment [Line Items]
Original Estimated Useful Lives	30 years
Motor vehicles
Property, Plant and Equipment [Line Items]
Property and equipment	$ 74,395		76,186
Motor vehicles | Minimum
Property, Plant and Equipment [Line Items]
Original Estimated Useful Lives	3 years
Motor vehicles | Maximum
Property, Plant and Equipment [Line Items]
Original Estimated Useful Lives	7 years
Finance lease assets
Property, Plant and Equipment [Line Items]
Property and equipment	$ 161,395		114,107
Finance lease assets | Minimum
Property, Plant and Equipment [Line Items]
Original Estimated Useful Lives	1 year
Finance lease assets | Maximum
Property, Plant and Equipment [Line Items]
Original Estimated Useful Lives	11 years
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment	$ 79,145		$ 169,999