PROPERTY, EQUIPMENT and FIXTURES (Details) - USD ($) $ in Thousands	Jul. 29, 2017	Jul. 30, 2016
Property, Plant and Equipment [Line Items]
Total property, equipment and fixtures	$ 494,123	$ 467,272
Accumulated depreciation	(281,216)	(258,356)
Accumulated amortization of property under capital leases	(8,467)	(7,446)
Property, equipment and fixtures, net	204,440	201,470
Land and buildings
Property, Plant and Equipment [Line Items]
Total property, equipment and fixtures	105,211	104,451
Store fixtures and equipment
Property, Plant and Equipment [Line Items]
Total property, equipment and fixtures	253,227	234,094
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property, equipment and fixtures	104,946	100,076
Leased property under capital leases
Property, Plant and Equipment [Line Items]
Total property, equipment and fixtures	25,211	25,211
Construction in progress
Property, Plant and Equipment [Line Items]
Total property, equipment and fixtures	2,288	215
Vehicles
Property, Plant and Equipment [Line Items]
Total property, equipment and fixtures	$ 3,240	$ 3,225