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Potential Common Stock Equivalents Excluded From Computation of Diluted Earning Per Share (Detail) (USD $)	3 Months Ended
	May 03, 2014	May 04, 2013
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti dilutive shares	565,000
Stock Compensation Plan
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti dilutive shares	1,948,000	1,167,000
Range of exercise prices of such options, minimum	$ 4.96	$ 4.91
Range of exercise prices of such options, maximum	$ 7.52	$ 10.26

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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