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Segment Reporting - Additional Information (Detail)
3 Months Ended 9 Months Ended
Oct. 29, 2016
Store
Customer
Oct. 31, 2015
Customer
Oct. 29, 2016
Store
Segment
Customer
Oct. 31, 2015
Customer
Segment Reporting Information [Line Items]        
Number of operating segment | Segment     1  
Number of retail stores 85   85  
Number of outlet stores 28   28  
Number of customers accounted for more than 10% of Company's revenues | Customer 0 0 0 0
Sales [Member] | Customer Concentration Risk [Member]        
Segment Reporting Information [Line Items]        
Portion of specified customers portion in total revenues 10.00% 10.00% 10.00% 10.00%
Canada [Member]        
Segment Reporting Information [Line Items]        
Number of retail stores 5   5  
Number of outlet stores 2   2  
U.K [Member]        
Segment Reporting Information [Line Items]        
Number of retail stores 1   1