SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Narrative (Details) $ in Thousands	12 Months Ended
	Feb. 01, 2020 USD ($) store state segment	Feb. 02, 2019 USD ($) store	Feb. 03, 2018 USD ($) store	Feb. 03, 2019 USD ($)	Jan. 28, 2017 USD ($)
Nature of Operations
Number of reportable segments (segment) | segment	1
Number of stores (store) | store	448
Number of states in which stores are located (state) | state	42
New stores opened during the period (store) | store	2	0	2
Stores substantially remodeled during the period (store) | store	5	6	8
Stores closed during the period (store) | store	4	7	12
Revenue Recognition
Gift certificates redeemable	$ 15,319	$ 16,634
Liability for estimated future loyalty rewards	9,615	10,910
Inventory
Adjustment for merchandise obsolescence and markdowns	12,178	10,586
Advertising Costs
Advertising expense	11,406	10,661	$ 18,075
Health Care Costs
Self-insurance limit per employee per plan year for health and dental claims	200
Reserve for self-insured employee health care claims	$ 685	890
Income Taxes
Minimum percentage needed for likely sustainment of an uncertain tax position before related tax benefits are recognized (percent)	50.00%
Recently Issued Accounting Pronouncements
Operating lease right-of-use assets	$ 350,088	0
Operating lease liabilities	377,552
Supplemental Cash Flow Information
Non-cash investing activities - change in unpaid purchases of property, plant and equipment	(150)	(38)	276
Current liability for unpaid purchases of property, plant and equipment	559	409	371
Cash paid for income taxes	$ 34,516	37,309	48,456
Property And Equipment Excluding Buildings [Member] | Minimum [Member]
Property and Equipment
Estimated useful life of property and equipment (years)	5 years
Property And Equipment Excluding Buildings [Member] | Maximum [Member]
Property and Equipment
Estimated useful life of property and equipment (years)	10 years
Building [Member] | Minimum [Member]
Property and Equipment
Estimated useful life of property and equipment (years)	31 years 6 months
Building [Member] | Maximum [Member]
Property and Equipment
Estimated useful life of property and equipment (years)	39 years
Sales Returns and Allowances [Member]
Revenue Recognition
Reserve for merchandise returns	$ 2,257	$ 2,182	$ 1,070		$ 669
Accounting Standards Update 2016-02 [Member]
Recently Issued Accounting Pronouncements
Operating lease right-of-use assets				$ 362,589
Operating lease liabilities				$ 389,849