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Net Loss Per Share (Details1)	3 Months Ended		9 Months Ended
Net Loss Per Share (Details1)	Nov. 02, 2013	Oct. 27, 2012	Nov. 02, 2013	Oct. 27, 2012
Antidilutive securities excluded from computation of net (loss) income per share, diluted
Total	1,956,506	3,430,241	1,762,380	4,152,910
Stock options outstanding [Member]
Antidilutive securities excluded from computation of net (loss) income per share, diluted
Total	567,225	2,592,016	471,806	2,592,419
Unvested restricted and performance stock awards and units [Member]
Antidilutive securities excluded from computation of net (loss) income per share, diluted
Total	1,389,281	838,225	1,290,574	1,560,491

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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