PROPERTY AND EQUIPMENT (Details) $ in Thousands	3 Months Ended										12 Months Ended
	Feb. 01, 2020 USD ($)		Nov. 02, 2019 USD ($)	Aug. 03, 2019 USD ($)	May 04, 2019 USD ($)	Feb. 02, 2019 USD ($)		Nov. 03, 2018 USD ($)	Aug. 04, 2018 USD ($)	May 05, 2018 USD ($)	Feb. 01, 2020 USD ($)	Feb. 02, 2019 USD ($)	Feb. 03, 2018 USD ($)
Property, Plant and Equipment [Line Items]
numberofstorestestedforimpairment	924					972					924	972	1,014
net book value	$ 65,000					$ 81,400					$ 65,000	$ 81,400	$ 79,400
Less accumulated depreciation and amortization	(712,576)					(674,098)					(712,576)	(674,098)
Property and equipment, net	236,898					260,357					236,898	260,357
Asset impairment charges	4,731	[1]	$ 839	$ 121	$ 348	464	[2]	$ 396	$ 3,979	$ 1,257	6,039	$ 6,096	$ 5,190
Number of underperforming stores												11	21
partiallyimpairedstores													29
Land and land improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	3,403					3,403					3,403	$ 3,403
Building and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	35,568					35,568					35,568	35,568
Material handling equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	53,540					51,934					53,540	51,934
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	285,955					301,233					285,955	301,233
Store fixtures and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	272,158					273,430					272,158	273,430
Capitalized software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	265,610					254,064					265,610	254,064
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 33,240					$ 14,823					$ 33,240	$ 14,823

[1]
    Fiscal Year Ended February 2, 2019     First Quarter   Second Quarter   Third Quarter   Fourth Quarter     (in thousands, except earnings per share) Net sales   $ 436,314
  $ 448,718
  $ 522,495
  $ 530,557
Gross profit   160,192
  154,806
  204,366
  164,232
Selling, general, and administrative expenses   118,471
  124,210
  123,207
  132,455
Asset impairment charges   1,257
  3,979
  396
  464
Other (income) costs   —
  —
  (1,246 )   191
Depreciation and amortization   17,406
  16,595
  17,404
  17,479
Operating income   23,058
  10,022
  64,605
  13,643
Income before provision for income taxes   22,761
  9,076
  63,774
  12,913
Provision (benefit) for income taxes   (8,776 )   1,590
  13,861
  889
Net income   $ 31,537
  $ 7,486
  $ 49,913
  $ 12,024
                  Diluted earnings per share   $ 1.78
  $ 0.45
  $ 3.03
  $ 0.74
Diluted weighted average common shares outstanding   17,734
  16,715
  16,496
  16,277
                  Cash dividends declared and paid per common share   $ 0.50
  $ 0.50
  $ 0.50
  $ 0.50

[2]     Fiscal Year Ended February 2, 2019     First Quarter   Second Quarter   Third Quarter   Fourth Quarter     (in thousands, except earnings per share) Net sales   $ 436,314
  $ 448,718
  $ 522,495
  $ 530,557
Gross profit   160,192
  154,806
  204,366
  164,232
Selling, general, and administrative expenses   118,471
  124,210
  123,207
  132,455
Asset impairment charges   1,257
  3,979
  396
  464
Other (income) costs   —
  —
  (1,246 )   191
Depreciation and amortization   17,406
  16,595
  17,404
  17,479
Operating income   23,058
  10,022
  64,605
  13,643
Income before provision for income taxes   22,761
  9,076
  63,774
  12,913
Provision (benefit) for income taxes   (8,776 )   1,590
  13,861
  889
Net income   $ 31,537
  $ 7,486
  $ 49,913
  $ 12,024
                  Diluted earnings per share   $ 1.78
  $ 0.45
  $ 3.03
  $ 0.74
Diluted weighted average common shares outstanding   17,734
  16,715
  16,496
  16,277
                  Cash dividends declared and paid per common share   $ 0.50
  $ 0.50
  $ 0.50
  $ 0.50