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Earnings Per Share (Details)
3 Months Ended 6 Months Ended
Jul. 28, 2012
Jul. 30, 2011
Jul. 28, 2012
Jul. 30, 2011
Earnings Per Share(Textual) [Abstract]        
Number of antidilutive shares 1,600,000 1,900,000 1,600,000 342,000