CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Loss	Benefit Trust	Comprehensive Income
Balance at Jan. 31, 2009	$ 423,156	$ 68,557	$ 292,728	$ 358,670	$ (219,460)	$ (18,075)	$ (59,264)
Balance (in shares) at Jan. 31, 2009		68,557,041			(14,124,021)
Comprehensive income:
Net earnings	23,036			23,036				23,036
Changes in net unrecognized other postretirement benefit costs, net of tax of $(1,872), $344 and $352 for year ended 2011, 2010 and 2009, respectively	595					595		595
Fair market value adjustment on derivatives, net of tax of $1,499, $48 and ($125) for year ended 2011, 2010 and 2009, respectively	(211)					(211)		(211)
Total comprehensive income	23,420							23,420
Cash dividends ($.12 per share)	(6,286)			(6,286)
Reclassification of Benefits Trust					(59,264)		59,264
Reclassification of Benefits Trust (in shares)					(2,195,270)
Effect of stock options and related tax benefits	146			(209)	355
Effect of stock options and related tax benefits (in shares)					22,000
Effect of restricted stock unit conversions	(172)		(1,493)		1,321
Effect of restricted stock unit conversions (in shares)					81,726
Stock compensation expense	2,575		2,575
Dividend reinvestment plan	456			(375)	831
Dividend reinvestment plan (in shares)					51,491
Balance at Jan. 30, 2010	443,295	68,557	293,810	374,836	(276,217)	(17,691)
Balance (in shares) at Jan. 30, 2010		68,557,041			(16,164,074)
Comprehensive income:
Net earnings	36,631			36,631				36,631
Changes in net unrecognized other postretirement benefit costs, net of tax of $(1,872), $344 and $352 for year ended 2011, 2010 and 2009, respectively	582					582		582
Fair market value adjustment on derivatives, net of tax of $1,499, $48 and ($125) for year ended 2011, 2010 and 2009, respectively	81					81		81
Total comprehensive income	37,294							37,294
Cash dividends ($.12 per share)	(6,323)			(6,323)
Effect of stock options and related tax benefits	585			(2,023)	2,608
Effect of stock options and related tax benefits (in shares)					96,590
Effect of restricted stock unit conversions	(299)		(1,946)		1,647
Effect of restricted stock unit conversions (in shares)					61,042
Stock compensation expense	3,497		3,497
Dividend reinvestment plan	411			(521)	932
Dividend reinvestment plan (in shares)					34,532
Balance at Jan. 29, 2011	478,460	68,557	295,361	402,600	(271,030)	(17,028)
Balance (in shares) at Jan. 29, 2011		68,557,041			(15,971,910)
Comprehensive income:
Net earnings	28,903			28,903				28,903
Changes in net unrecognized other postretirement benefit costs, net of tax of $(1,872), $344 and $352 for year ended 2011, 2010 and 2009, respectively	(3,120)					(3,120)		(3,120)
Fair market value adjustment on derivatives, net of tax of $1,499, $48 and ($125) for year ended 2011, 2010 and 2009, respectively	2,499					2,499		2,499
Total comprehensive income	28,282							28,282
Cash dividends ($.12 per share)	(6,344)			(6,344)
Effect of stock options and related tax benefits	323			(900)	1,223
Effect of stock options and related tax benefits (in shares)					45,321
Effect of employee stock purchase plan	231			(335)	566
Effect of employee stock purchase plan (in shares)					20,963
Effect of restricted stock unit conversions	(239)		(2,136)		1,897
Effect of restricted stock unit conversions (in shares)					70,228
Stock compensation expense	3,237		3,237
Dividend reinvestment plan	379			(487)	866
Dividend reinvestment plan (in shares)					32,076
Balance at Jan. 28, 2012	$ 504,329	$ 68,557	$ 296,462	$ 423,437	$ (266,478)	$ (17,649)
Balance (in shares) at Jan. 28, 2012		68,557,041			(15,803,322)