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Stock-Based Compensation - Narrative (Detail) - USD ($)
3 Months Ended
May 02, 2020
May 04, 2019
Feb. 01, 2020
Share Based Compensation Arrangement By Share Based Payment Award      
Stock-based compensation expense $ 5,828,000 $ 5,695,000  
Stock-based compensation cost capitalized 0 0  
Rollover units and profit interests 3,170,000   $ 3,064,000
Selling, general and administrative expenses $ 164,201,000 $ 164,181,000  
Design Investors WW Acquisition Company, LLC | Profit interests      
Share Based Compensation Arrangement By Share Based Payment Award      
Profit interest expected life 5 years    
Selling, general and administrative expenses $ 100,000    
Design Investors WW Acquisition Company, LLC | Profit interests | Other non-current obligations      
Share Based Compensation Arrangement By Share Based Payment Award      
Liability associated with the profit interests 1,700,000   1,600,000
Appreciation rights | Design Investors WW Acquisition Company, LLC      
Share Based Compensation Arrangement By Share Based Payment Award      
Rollover units and profit interests $ 1,500,000   $ 1,500,000
2012 Stock Incentive Plan and 2012 Stock Option Plan | Stock Options      
Share Based Compensation Arrangement By Share Based Payment Award      
Outstanding shares 7,766,765    
Options outstanding, weighted-average exercise price per share $ 66.74    
Numbers of options vested 5,906,720    
Vested weighted-average exercise price per share $ 53.62    
Aggregate intrinsic value of options outstanding $ 563,500,000    
Aggregate intrinsic value of options vested or expected to vest 550,300,000    
Aggregate intrinsic value of options exercisable $ 495,200,000    
Weighted-average remaining contractual life of options exercisable 4 years 1 month 17 days    
Unrecognized compensation expense related to unvested options $ 65,200,000    
Unrecognized compensation expense with weighted-average period 4 years 5 months 19 days    
2012 Stock Incentive Plan and 2012 Stock Option Plan | Restricted stock and restricted stock unit      
Share Based Compensation Arrangement By Share Based Payment Award      
Unrecognized compensation expense with weighted-average period 1 year 3 months 3 days    
Outstanding shares 201,920    
Restricted stock awards outstanding with weighted-average grant date fair value per share $ 47.78    
Vested restricted stock unit 13,685    
Weighted-average fair value per share of awards granted $ 68.82    
Unrecognized compensation expense related to unvested options $ 4,000,000.0