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Earnings Per Share - Additional information (Detail)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Nov. 02, 2013
Oct. 27, 2012
Nov. 02, 2013
Oct. 27, 2012
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Contingently issuable shares excluded from diluted earnings per share     0.4  
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 1.1 0.9 0.9 0.7