CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Total
Balance at beginning at Jan. 31, 2015	$ 104,653		$ 310,413	$ 570	$ 415,636
Balance at beginning (in shares) at Jan. 31, 2015	36,969,268
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends paid ($.18/24 per share)			(8,929)		(8,929)
Restricted stock grants and cancellations (in shares)	27,250
Issuance of shares under employee stock purchase plan	$ 737				737
Issuance of shares under employee stock purchase plan (in shares)	57,972
Issuance of shares under employee stock ownership plan (in shares)	693
Repurchased and cancelled shares	$ (410)				(410)
Repurchased and cancelled shares (in shares)	(25,131)
Stock-based compensation	$ 2,262				2,262
Exercises of stock options	$ 2,134				2,134
Exercises of stock options (in shares)	202,733
Income tax expense on exercise of stock options	$ 220		27		247
Adjustment for postretirement benefits (net of tax)				(95)	(95)
Net loss			(7,371)		(7,371)
Balance at ending at Jan. 30, 2016	$ 109,596		294,140	475	404,211
Balance at ending (in shares) at Jan. 30, 2016	37,232,785
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends paid ($.18/24 per share)			(8,969)		(8,969)
Restricted stock grants and cancellations (in shares)	167,326
Issuance of shares, other (in shares)	490,074
Issuance of shares under employee stock purchase plan	$ 674				674
Issuance of shares under employee stock purchase plan (in shares)	59,694
Retired shares under employee stock ownership plan (in shares)	(5,867)
Repurchased and cancelled shares	$ (327)				(327)
Repurchased and cancelled shares (in shares)	(18,872)
Stock-based compensation	$ 7,969				7,969
Exercises of stock options	$ 206				206
Exercises of stock options (in shares)	14,900
Income tax expense on exercise of stock options	$ (28)				(28)
Adjustment for postretirement benefits (net of tax)				(9)	(9)
Net loss			(66,531)		(66,531)
Balance at ending at Jan. 28, 2017	$ 118,090		218,640	466	337,196
Balance at ending (in shares) at Jan. 28, 2017	37,940,040
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends paid ($.18/24 per share)			(6,847)		(6,847)
Restricted stock grants and cancellations (in shares)	392,202
Issuance of shares under employee stock purchase plan	$ 551				551
Issuance of shares under employee stock purchase plan (in shares)	90,225
Repurchased and cancelled shares	$ (590)				(590)
Repurchased and cancelled shares (in shares)	(55,950)
Stock-based compensation	$ 5,899				5,899
Adjustment for postretirement benefits (net of tax)			(94)	93	93
Purchase of Treasury Stock		$ (4,975)			(4,975)
Purchase of Treasury Stock (in shares)		(1,242,000)
Net loss			(150,185)		(150,185)
Balance at ending at Feb. 03, 2018	$ 123,950	$ (4,975)	$ 61,514	$ 559	$ 181,048
Balance at ending (in shares) at Feb. 03, 2018	38,366,517	(1,242,000)