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Fair Value Level 3 Inputs (Tables)
3 Months Ended
Jul. 28, 2012
Fair Value Inputs Quantitative Information [Abstract]  
Fair Value Level 3 Inputs
        
NOTE 7 – FAIR VALUE MEASUREMENTS (CONTINUED):
        
Quantitative information regarding the significant unobservable inputs related to the ARS as of July 28, 2012 were as follows:
        
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.