Earnings Per Share - Additional Information (Detail) - shares
3 Months Ended
May 02, 2020
May 04, 2019
Stock options    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Stock options not included in the computation of diluted earnings (in shares) 875,894 286,124
Restricted stock    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Stock options not included in the computation of diluted earnings (in shares) 780,256 209,149