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Commitments and Contingencies - Additional Information (Detail) - USD ($)
3 Months Ended 12 Months Ended
Mar. 16, 2015
Sep. 05, 2014
May. 03, 2014
Jan. 30, 2016
Jan. 31, 2015
Feb. 01, 2014
Feb. 02, 2013
Commitment And Contingencies [Line Items]              
Lease expiration year       2032      
Non-cash rent expense         $ 2,900,000 $ 2,900,000 $ 3,900,000
Material off balance sheet commitments       $ 0      
Fees and costs awarded to plaintiff's attorney   $ 9,500,000          
Litigation accrual     $ 9,200,000   9,500,000    
Revised litigation accrual         8,000,000    
Loss contingency, description       On March 16, 2015, the Company, through the third party claims administrator, began mailing the class action award to class members. The Company, through the third party claims administrator, paid approximately $2.4 million in cash awards to the class members and mailed 33% discount coupons, good for one year, on purchases up to $10,000, to class members that did not request the cash award. During a hearing on April 16, 2015, the Court provided additional guidance regarding the manner in which class members can use the 33% merchandise discount coupon. Specifically, the court ordered that the 33% coupons may be combined with the Company’s other promotional offers.      
Loss contingency payment to third party $ 2,400,000            
Merchandise discount coupon rate 33.00%            
Merchandise discount coupon expiry period       1 year      
Maximum [Member]              
Commitment And Contingencies [Line Items]              
Merchandise discount coupon, purchases $ 10,000            
Estimated Class Member Response [Member]              
Commitment And Contingencies [Line Items]              
Decrease in litigation charge         $ (1,500,000)    
Gallery [Member]              
Commitment And Contingencies [Line Items]              
Lease expiration year       2058