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Revenue - Additional Information (Detail) - USD ($)
 3 Months Ended 6 Months Ended
Jul. 29, 2018
Jul. 29, 2018
Jan. 28, 2018
Jul. 30, 2017
Revenues [Line Items]        
Customer loyalty program, expiration period   6 months    
Gift card and other deferred revenue $ 263,546,000 $ 263,546,000 $ 300,607,000 $ 294,694,000
Other Current Liabilities        
Revenues [Line Items]        
Expected sales return liability 30,432,000 $ 30,432,000    
Other Current Assets        
Revenues [Line Items]        
Reduction in cost of goods sold for expected net realizable value of merchandise inventory to be returned 11,036,000      
Stored-Value Cards        
Revenues [Line Items]        
Stored value card redemption period   4 years    
Stored-Value Cards, Merchandise Sales and Credit Card Incentives        
Revenues [Line Items]        
Gift card and other deferred revenue $ 263,546,000 $ 263,546,000