Earnings Per Share - (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 27, 2012	Oct. 29, 2011	Oct. 27, 2012	Oct. 29, 2011
Earnings Per Share Disclosure [Abstract]
Net income	$ 4,669	$ 6,105	$ 53,724	$ 54,729
Earnings Alloacted to Non-Vesting Equity Awards	(68)	(95)	(830)	(894)
Net Income (Loss) Available to Common Stockholders	$ 4,601	$ 6,010	$ 52,894	$ 53,835
Basic Weighted-Average common shares outstanding	28,822,403	28,851,509	28,780,682	28,936,177
Dilutive Effect of Stock Options	3,875	5,368	3,779	6,644
Dilluted Weighted Average Common Shares Outstanding	28,826,278	28,856,877	28,784,461	28,942,821
Basic earnings per share	$ 0.16	$ 0.21	$ 1.84	$ 1.86
Diluted earnings per share	$ 0.16	$ 0.21	$ 1.84	$ 1.86