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Capital Stock - Additional Information (Detail) - USD ($)
 12 Months Ended
Aug. 14, 2019
Feb. 01, 2020
Feb. 02, 2019
Feb. 03, 2018
Aug. 15, 2018
Statement Equity Components [Line Items]          
Common Stock, Authorized   500,000,000 500,000,000    
Common Stock, Par Value   $ 0.0001 $ 0.0001    
Undesignated preferred stock, Authorized   50,000,000 50,000,000    
Undesignated preferred stock, Par Value   $ 0.0001 $ 0.0001    
Preferred Stock, Issued   0 0    
Preferred Stock, Outstanding   0 0    
Shares Used for Tax Withholdings   $ 23,200,000 $ 10,127,000 $ 7,307,000  
2018 Stock Repurchase Program          
Statement Equity Components [Line Items]          
Stock repurchase program, authorized amount         $ 300,000,000
2019 Stock Repurchase Program          
Statement Equity Components [Line Items]          
Stock repurchase program, authorized amount $ 400,000,000        
Stock repurchase program, authorized execution month and year 2021-08        
Common stock repurchased, shares   1,740,740      
Common stock repurchased, value   $ 299,900,000      
Remaining authorized repurchase amount   $ 398,500,000      
Treasury Stock          
Statement Equity Components [Line Items]          
Shares Used for Tax Withholdings (in shares)   132,222      
Shares Used for Tax Withholdings   $ 23,200,000