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Commitments and Contingencies - Additional Information (Detail) - USD ($)
12 Months Ended
Mar. 21, 2019
Feb. 02, 2019
Feb. 03, 2018
Jan. 28, 2017
Commitment And Contingencies [Line Items]        
Lease expiration year   2035    
Non-cash rent benefit expense   $ 2,600,000 $ 1,000,000 $ 1,200,000
Material off balance sheet commitments   0    
Litigation insurance recovery receivable   50,000,000    
Provision for legal settlement   50,000,000    
Subsequent Event [Member]        
Commitment And Contingencies [Line Items]        
Aggregate settlement amount $ 50,000,000      
Prepaid Expenses and Other Current Assets [Member]        
Commitment And Contingencies [Line Items]        
Litigation insurance recovery receivable   50,000,000    
Other Current Liabilities [Member]        
Commitment And Contingencies [Line Items]        
Provision for legal settlement   $ 50,000,000    
Gallery [Member]        
Commitment And Contingencies [Line Items]        
Lease expiration year   2058