Consolidated Statements of Stockholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Stockholders' Equity, Value at Period Start at Jan. 30, 2010	$ 393,310	$ 183	$ 83,249	$ 309,823	$ 55
Shares, Outstanding Period Start at Jan. 30, 2010		27,526,744
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	85,799			85,799
Adjustment to minimum pension liability, net of tax effects of $8, $115 and $32, respectively	23				23
Comprehensive income	85,822
Stock Dividend Transfer of Par Value		91		(91)
Fractional Share Payments, Shares		(542)
Fractional Share Payments, Value	(21)		(21)
Equity Compensation	1,252		1,252
Issuance of Commom Stock Pursuant to Equity Compensation Plans, Shares		95,852
Issuance of Common Stock Pursuant to Equity Compensation Plans, Value	1,013	1	1,012
Income Tax Benefit from Stock Compensation Plans	1,300		1,300
Tax payments related to equity compensation plans	0
Stockholders' Equity, Value at Period End at Jan. 29, 2011	482,676	275	86,792	395,531	78
Shares, Outstanding Period End at Jan. 29, 2011		27,622,054
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	97,491			97,491
Adjustment to minimum pension liability, net of tax effects of $8, $115 and $32, respectively	(209)				(209)
Comprehensive income	97,282
Stock Dividend Transfer of Par Value	0	0		0
Fractional Share Payments, Shares		0
Fractional Share Payments, Value	0		0
Equity Compensation	2,547		2,547
Issuance of Commom Stock Pursuant to Equity Compensation Plans, Shares		205,783
Issuance of Common Stock Pursuant to Equity Compensation Plans, Value	546	2	544
Income Tax Benefit from Stock Compensation Plans	1,883		1,883
Tax payments related to equity compensation plans	0
Stockholders' Equity, Value at Period End at Jan. 28, 2012	584,934	277	91,766	493,022	(131)
Shares, Outstanding Period End at Jan. 28, 2012		27,827,837
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	79,696			79,696
Adjustment to minimum pension liability, net of tax effects of $8, $115 and $32, respectively	(60)				(60)
Comprehensive income	79,636
Equity Compensation	2,236		2,236
Issuance of Commom Stock Pursuant to Equity Compensation Plans, Shares		134,412
Issuance of Common Stock Pursuant to Equity Compensation Plans, Value	784	2	782
Income Tax Benefit from Stock Compensation Plans	607		607
Tax payments related to equity compensation plans	(634)		(634)
Stockholders' Equity, Value at Period End at Feb. 02, 2013	$ 667,563	$ 279	$ 94,757	$ 572,718	$ (191)
Shares, Outstanding Period End at Feb. 02, 2013		27,962,249