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Nature of Business and Summary of Significant Accounting Policies - Schedule of Anti-Dilutive Options and Non-Vested Shares Excluded from Diluted Earnings Per Share Calculations (Detail)	12 Months Ended
	Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Anti-dilutive options and non-vested shares	3,862,004	6,558,028	2,443,976

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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