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Share-Based Compensation - Additional Information (Detail) - USD ($)
shares in Millions
3 Months Ended 9 Months Ended
Oct. 31, 2020
Nov. 02, 2019
Oct. 31, 2020
Nov. 02, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation $ 9,000,000.0 $ 5,600,000 $ 24,685,000 $ 19,946,000
Share-based compensation, net of tax $ 5,700,000 $ 4,300,000 17,900,000 15,300,000
Net proceeds from stock options exercised     $ 0 2,119,000
Tax benefit realized from stock option exercises       $ 100,000
Shares available for all equity grants 9.0   9.0  
Employee Stock Option        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation expense $ 6,400,000   $ 6,400,000  
Unrecognized compensation expense, weighted average period     2 years  
Time Based Restricted Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period     3 years  
Unrecognized compensation expense, weighted average period     2 years 1 month 6 days  
Unrecognized compensation expense, restricted stock grants 32,100,000   $ 32,100,000  
Performance-Based Restricted Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period     3 years  
Unrecognized compensation expense, restricted stock grants $ 6,700,000   $ 6,700,000  
Performance-Based Restricted Stock Units | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation expense, weighted average period     1 year  
Performance-Based Restricted Stock Units | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation expense, weighted average period     2 years