XML 43 R32.htm IDEA: XBRL DOCUMENT v3.5.0.2
Acquisition of Trade Secret - Additional Information (Detail)
$ in Thousands, AUD in Millions
 9 Months Ended
Oct. 24, 2015
USD ($)
Store
Oct. 24, 2015
AUD
Oct. 29, 2016
USD ($)
Oct. 31, 2015
USD ($)
Business Acquisition [Line Items]        
Acquisition of Trade Secret, net of cash received     $ 2,324 $ 57,104
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 $ 59,400 AUD 83.3    
Identifiable amortizable intangible assets $ 12,000      
Identifiable intangible assets, amortization period 10 years 10 years    
Goodwill acquired $ 25,000