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Fair Value Level 3 Inputs (Tables)
3 Months Ended
May 04, 2013
Fair Value Inputs Quantitative Information [Abstract]  
Fair Value Level 3 Inputs
Quantitative information regarding the significant unobservable inputs related to the ARS as of May 4, 2013 and April 28, 2012 were as follows:
        
Three Months Ended  
May 4, 2013 
Fair Value Valuation Technique Unobservable Inputs 
$3,450 Net present value Total Term 9.4 Years 
  of cash flows Yield 0.28% 
    Comparative bond discount rate 0.14% 
        
        
Three Months Ended  
April 28, 2012 
Fair Value Valuation Technique Unobservable Inputs 
$3,450 Net present value Total Term 10.4 Years 
  of cash flows Yield 0.28% 
    Comparative bond discount rate 0.20% 
        
Significant increases or decreases in certain of the inputs could result in a lower fair value measurement. For example, a decrease in the yield, or an increase to the comparative bond discount rate could result in a lower fair value.