DESCRIPTION OF BUSINESS AND SIGNIFICANT ACCOUNTING POLICIES (Details) $ in Thousands	12 Months Ended
	Jan. 28, 2017 USD ($) States stores	Jan. 30, 2016 USD ($)	Jan. 31, 2015 USD ($)
Description of business [Abstract]
Entity operated stores | stores	798
States in which stores located | States	38
Fiscal Year [Line Items]
Fiscal Period Duration	364 days	364 days	364 days
Insurance Recoveries [Abstract]
Insurance proceeds received	$ 3,300	$ 2,500	$ 2,000
Net gains from insurance claims	700	800	900
Intangible Assets [Abstract]
Tradename intangible asset	$ 14,900
Tradename, fair value exceeds carrying amount by less than	10.00%
Debt Issuance Costs [Abstract]
Net accumulated amortization of debt issuance costs	$ 100	300
Debt issuance costs	1,400	800
Gift Card and Merchandise Credit Liability [Abstract]
Gift cards, breakage income	3,000	1,600	1,100
Advertising Expense [Abstract]
Advertising costs	88,700	91,000	92,100
Advertising allowances received from vendors	4,300	4,900	$ 5,000
Rent Expenses [Abstract]
Deferred rent credit	$ 43,382	$ 47,506
Building and Improvements [Member]
Summary of estimated useful lives [Abstract]
Estimated useful life	20 years
Software and Software Development Costs [Member] | Minimum
Summary of estimated useful lives [Abstract]
Estimated useful life	3 years
Software and Software Development Costs [Member] | Maximum
Summary of estimated useful lives [Abstract]
Estimated useful life	10 years
Store and Office Fixtures and Equipment [Member] | Minimum
Summary of estimated useful lives [Abstract]
Estimated useful life	5 years
Store and Office Fixtures and Equipment [Member] | Maximum
Summary of estimated useful lives [Abstract]
Estimated useful life	10 years
Warehouse Equipment [Member] | Minimum
Summary of estimated useful lives [Abstract]
Estimated useful life	5 years
Warehouse Equipment [Member] | Maximum
Summary of estimated useful lives [Abstract]
Estimated useful life	15 years
Leasehold Improvements - Stores [Member] | Minimum
Summary of estimated useful lives [Abstract]
Estimated useful life	5 years
Leasehold Improvements - Stores [Member] | Maximum
Summary of estimated useful lives [Abstract]
Estimated useful life	15 years
Leasehold Improvements - Corporate Office [Member] | Minimum
Summary of estimated useful lives [Abstract]
Estimated useful life	10 years
Leasehold Improvements - Corporate Office [Member] | Maximum
Summary of estimated useful lives [Abstract]
Estimated useful life	12 years
Length of some fiscal years [Member] | Minimum
Fiscal Year [Line Items]
Fiscal Period Duration	364 days
Length of some fiscal years [Member] | Maximum
Fiscal Year [Line Items]
Fiscal Period Duration	371 days