Earnings Per Share (Details Textual) (USD $)	3 Months Ended	12 Months Ended
	May 04, 2013	Feb. 02, 2013
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Shares repurchased	189,300
Value of shares repurchased	$ 11,218,000	$ 37,650,000
Remaining authorized repurchase amount for stock repurchase program	47,000,000
Total authorized repurchase amount for stock repurchase program	75,000,000
Other Accrued Liabilities [Member]
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Value of shares repurchased	$ 2,600,000