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Summary of Significant Accounting Policies - Additional Information (Detail)
 12 Months Ended
Jan. 31, 2016
USD ($)
Store
Feb. 01, 2015
USD ($)
Feb. 02, 2014
USD ($)
Summary Of Significant Accounting Policies [Line Items]      
Number of stores | Store 618    
Restricted cash receipts   $ (14,289,000) $ (1,766,000)
Restricted cash $ 0    
Inventory obsolescence reserves $ 9,782,000 10,244,000  
Prepaid catalog expenses, amortization period minimum, months 6 months    
Prepaid catalog expenses, amortization period maximum, months 9 months    
Advertising expenses $ 333,276,000 330,070,000 325,708,000
Asset impairment and early lease termination charges 2,100,000 241,000 561,000
Goodwill included in other assets, net 18,703,000 18,740,000  
Goodwill impairment 0 0 $ 0
Self-insurance reserves $ 25,290,000 $ 24,901,000  
Period of recognition for gift cards and merchandise credits, years 4 years    
Majority Period Of Catalog Amortization      
Summary Of Significant Accounting Policies [Line Items]      
Prepaid catalog expenses, amortization period minimum, months 4 months    
Prepaid catalog expenses, amortization period maximum, months 5 months