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Earnings Per Share - Additional information (Detail)
In Millions, unless otherwise specified
3 Months Ended
May 03, 2014
May 04, 2013
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Contingently issuable shares excluded from diluted earnings per share 0.4 0.5
Stock Option Plans
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Potential common shares excluded from calculation of diluted earning per share 0.3 0.5