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Business and Summary of Accounting Policies Ranges of Useful Lives (Details)
12 Months Ended
Feb. 01, 2014
Minimum | Building and Building Improvements
 
Property, Plant and Equipment [Line Items]  
Estimated useful life 5 years
Minimum | Equipment
 
Property, Plant and Equipment [Line Items]  
Estimated useful life 3 years
Minimum | Computer Hardware And Software
 
Property, Plant and Equipment [Line Items]  
Estimated useful life 3 years
Maximum | Building and Building Improvements
 
Property, Plant and Equipment [Line Items]  
Estimated useful life 40 years
Maximum | Equipment
 
Property, Plant and Equipment [Line Items]  
Estimated useful life 15 years
Maximum | Computer Hardware And Software
 
Property, Plant and Equipment [Line Items]  
Estimated useful life 8 years