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Reconciliation of Number of Shares Outstanding for Basic and Diluted Earning Per Share (Parenthetical) (Detail) (Stock Options And Restricted Stocks)	3 Months Ended		9 Months Ended
	Nov. 01, 2014	Nov. 02, 2013	Nov. 01, 2014	Nov. 02, 2013
Stock Options And Restricted Stocks
Weighted Average Number Of Shares Outstanding [Line Items]
Common stock equivalents - stock options and restricted stock, excludes anti-dilutive options	558,000	594,000	534,000	282,000

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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