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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
Feb. 01, 2014
Feb. 02, 2013
Jan. 28, 2012
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Anti-dilutive options and non-vested shares 6,558,028 2,443,976 2,745,350