XML 16 R39.htm IDEA: XBRL DOCUMENT v2.4.0.6
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. 02, 2013
Jan. 28, 2012
Jan. 29, 2011
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Anti-dilutive options and non-vested shares 2,443,976 2,745,350 2,928,067