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Useful Lives of Major Classes of Assets (Detail)
3 Months Ended
May 03, 2014
Buildings
 
Property, Plant and Equipment, Estimated Useful Lives, Lease Terms [Line Items]  
Useful lives in asset class 25 years
Leasehold Improvements
 
Property, Plant and Equipment, Estimated Useful Lives, Lease Terms [Line Items]  
Useful lives in asset class Lesser of 10 years or the term of the lease
Fixtures and equipment
 
Property, Plant and Equipment, Estimated Useful Lives, Lease Terms [Line Items]  
Useful lives in asset class 5 years