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Estimated Useful Lives of Property and Equipment (Detail)
12 Months Ended
Jan. 29, 2017
Leasehold Improvements | Minimum  
Property, Plant and Equipment [Line Items]  
Useful life of assets, years 5 years
Leasehold Improvements | Maximum  
Property, Plant and Equipment [Line Items]  
Useful life of assets, years 22 years
Fixtures and Equipment | Minimum  
Property, Plant and Equipment [Line Items]  
Useful life of assets, years 2 years
Fixtures and Equipment | Maximum  
Property, Plant and Equipment [Line Items]  
Useful life of assets, years 20 years
Building and Building Improvements | Minimum  
Property, Plant and Equipment [Line Items]  
Useful life of assets, years 10 years
Building and Building Improvements | Maximum  
Property, Plant and Equipment [Line Items]  
Useful life of assets, years 40 years
Capitalized Software | Minimum  
Property, Plant and Equipment [Line Items]  
Useful life of assets, years 2 years
Capitalized Software | Maximum  
Property, Plant and Equipment [Line Items]  
Useful life of assets, years 10 years