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Earnings Per Share - Additional Information (Detail) (Restricted Stock and Stock Options [Member])
3 Months Ended 9 Months Ended
Nov. 01, 2014
Nov. 02, 2013
Nov. 01, 2014
Nov. 02, 2013
Restricted Stock and Stock Options [Member]
       
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Number of antidilutive stock options not included in computation of diluted earnings per share 556,000 425,000 510,000 518,000