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Loss per Share Information
6 Months Ended
Apr. 30, 2011
Loss per Share Information [Abstract]  
Loss per Share Information
9. Loss per Share Information
Information pertaining to the calculation of loss per share, common stock equivalents, weighted average number of anti-dilutive option and shares issued for the six-month and three-month periods ended April 30, 2011 and 2010 is as follows (amounts in thousands):
                                 
    Six months ended April 30,     Three months ended April 30,  
    2011     2010     2011     2010  
Basic weighted-average shares
    166,794       165,322       166,910       165,407  
Common stock equivalents (a)
                       
 
                       
Diluted weighted-average shares
    166,794       165,322       166,910       165,407  
 
                       
Common stock equivalents excluded from diluted weighted-average shares due to anti-dilutive effect (a)
    1,537       2,229       1,630       2,297  
 
                       
Weighted average number of anti-dilutive options (b)
    7,446       7,417       6,509       6,316  
 
                       
Shares issued under stock incentive and employee stock purchase plans
    513       720       100       118  
 
                       
(a)   Common stock equivalents represent the dilutive effect of outstanding in-the-money stock options. For the six-month and three-month periods ended April 30, 2011 and 2010, there were no incremental shares attributed to outstanding options to purchase common stock because the Company had a net loss in the periods and any incremental shares would be anti-dilutive.
 
(b)   Based upon the average closing price of the Company’s common stock on the NYSE for the period.