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SHARE-BASED COMPENSATION (Tables)
6 Months Ended
Apr. 28, 2013
SHARE-BASED COMPENSATION [Abstract]  
Weighted-average inputs and risk-free rate of return ranges used to calculate the grant date fair value of options
The weighted-average inputs and risk-free rate of return ranges used to calculate the grant date fair value of options issued during the three and six month periods ended April 28, 2013 and April 29, 2012, are presented in the following table.
 
   
Three Months Ended
  
Six Months Ended
 
   
April 28,
2013
  
April 29,
2012
  
April 28,
2013
  
April 29,
2012
 
              
Expected volatility
  84.5%  102.2%  99.6%  102.1%
                  
Risk free rate of return
  0.6%  0.9%  0.5% - 0.7%  0.7% - 0.9%
                  
Dividend yield
  N/A   N/A   N/A   N/A 
                  
Expected term
 
4.3 years
  
4.3 years
  
4.3 years
  
4.3 years
 
Information on outstanding and exercisable option awards
Information on outstanding and exercisable option awards as of April 28, 2013, is presented below.

Options
 
Shares
  
Weighted
Average
Exercise
Price
 
Weighted
Average
Remaining
Contractual
Life
 
Aggregate
Intrinsic
Value
 
             
Outstanding at April 28, 2013
  4,200,167  $8.38 
6.1 years
 $8,041 
 
              
Exercisable at April 28, 2013
  2,705,897  $9.80 
4.8 years
 $5,544