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PROPERTY AND EQUIPMENT (Details)
3 Months Ended 6 Months Ended 12 Months Ended
Jul. 29, 2017
USD ($)
Jul. 30, 2016
USD ($)
Jul. 29, 2017
USD ($)
Jul. 30, 2016
USD ($)
Jan. 30, 2016
USD ($)
Jan. 28, 2017
USD ($)
Property, Plant and Equipment [Line Items]            
netbookvalue $ 84,900,000 $ 106,500,000 $ 84,900,000 $ 106,500,000    
Impairment of Long-Lived Assets Held-for-use $ 974,000 $ 2,826,000 $ 1,458,000 2,826,000    
Number of Underperforming Stores 3 12 9      
Property and equipment, gross $ 864,899,000 $ 838,714,000 $ 864,899,000 838,714,000   $ 841,270,000
Less accumulated depreciation and amortization (601,588,000) (561,519,000) (601,588,000) (561,519,000)   (576,990,000)
Property and equipment, net 263,311,000 277,195,000 263,311,000 277,195,000   264,280,000
Property and equipment, outstanding     5,800,000 6,700,000 $ 9,400,000  
Land and land improvements            
Property, Plant and Equipment [Line Items]            
Property and equipment, gross 3,403,000 3,403,000 3,403,000 3,403,000   3,403,000
Building and improvements            
Property, Plant and Equipment [Line Items]            
Property and equipment, gross 35,548,000 35,548,000 35,548,000 35,548,000   35,548,000
Material handling equipment            
Property, Plant and Equipment [Line Items]            
Property and equipment, gross 48,345,000 48,345,000 48,345,000 48,345,000   48,345,000
Leasehold improvements            
Property, Plant and Equipment [Line Items]            
Property and equipment, gross 316,823,000 326,292,000 316,823,000 326,292,000   317,884,000
Store fixtures and equipment            
Property, Plant and Equipment [Line Items]            
Property and equipment, gross 221,990,000 227,528,000 221,990,000 227,528,000   223,873,000
Capitalized software            
Property, Plant and Equipment [Line Items]            
Property and equipment, gross 213,902,000 181,957,000 213,902,000 181,957,000   204,901,000
Construction in progress            
Property, Plant and Equipment [Line Items]            
Property and equipment, gross $ 24,888,000 $ 15,641,000 $ 24,888,000 $ 15,641,000   $ 7,316,000
Number of stores tested for impairment [Member]            
Property, Plant and Equipment [Line Items]            
Number of Stores 1,026 1,062 1,026 1,062