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Acquisition of Trade Secret - Additional Information (Detail)
$ in Thousands, AUD in Millions
 12 Months Ended
Oct. 24, 2015
USD ($)
Store
Oct. 24, 2015
AUD
Jan. 30, 2016
USD ($)
Jan. 31, 2015
USD ($)
Feb. 01, 2014
USD ($)
Feb. 02, 2013
USD ($)
Business Acquisition [Line Items]            
Acquisition of Trade Secret, net of cash received     $ 57,104      
Goodwill acquired     $ 193,911 $ 169,022 $ 169,273 $ 170,288
Trade Secret            
Business Acquisition [Line Items]            
Business acquisition,date of acquisition Oct. 24, 2015 Oct. 24, 2015        
Business acquisition, number of operating stores acquired | Store 35          
Acquisition of Trade Secret, net of cash received $ 59,000 AUD 83        
Identifiable amortizable intangible assets $ 12,000          
Identifiable intangible assets, amortization period 10 years 10 years        
Goodwill acquired $ 25,000