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Useful Lives of Major Classes of Assets (Detail)
12 Months Ended
Feb. 02, 2013
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