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Stock-Based Compensation - Additional Information (Detail) - USD ($)
3 Months Ended
May 05, 2018
Apr. 29, 2017
Feb. 03, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock-based compensation expense $ 7,997,000 $ 5,289,000  
Stock-based compensation cost capitalized 0 0  
Rollover units and profit interests [1] 2,317,000   $ 2,211,000
Selling, general and administrative expenses $ 158,434,000 163,360,000  
Design Investors WW Acquisition Company, LLC [Member] | Profit Interests [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Profit interest expected life 5 years    
Selling, general and administrative expenses $ 100,000 100,000  
Design Investors WW Acquisition Company, LLC [Member] | Profit Interests [Member] | Other Non-Current Obligations [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Liability associated with the profit interests 800,000   $ 700,000
Appreciation Rights [Member] | Design Investors WW Acquisition Company, LLC [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Rollover units and profit interests 1,500,000 1,500,000  
Appreciation Rights [Member] | Design Investors WW Acquisition Company, LLC [Member] | Rollover Units [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock-based compensation expense $ 0 $ 0  
2012 Stock Incentive Plan and 2012 Stock Option Plan [Member] | Stock Options [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Outstanding shares 8,564,739    
Options outstanding, weighted-average exercise price per share $ 50.66    
Numbers of options vested 6,295,895    
Vested weighted-average exercise price per share $ 51.95    
Aggregate intrinsic value of options outstanding $ 429,800,000    
Aggregate intrinsic value of options vested or expected to vest 388,200,000    
Aggregate intrinsic value of options exercisable $ 307,000,000    
Weighted-average remaining contractual life of options exercisable 5 years 10 months 24 days    
Unrecognized compensation expense related to unvested options $ 23,400,000    
Unrecognized compensation expense with weighted-average period 2 years 10 months 9 days    
2012 Stock Incentive Plan and 2012 Stock Option Plan [Member] | Restricted Stock And Restricted Stock Unit [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Unrecognized compensation expense with weighted-average period 2 years 9 months 21 days    
Outstanding shares 768,463    
Restricted stock awards outstanding with weighted-average grant date fair value per share $ 52.81    
Vested restricted stock unit 30,615    
Vested weighted-average grant date fair value $ 52.36    
Vested weighted-average vest date fair value $ 97.09    
Unrecognized compensation expense related to unvested options $ 18,900,000    
[1] Represents rollover units and profit interests associated with the acquisition of Waterworks. Refer to Note 13—Stock-Based Compensation.