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Income (Loss) Per Share Information (Tables)
12 Months Ended
Oct. 31, 2011
Income (Loss) Per Share Information (Tables) [Abstract]  
Calculation of Income Loss Per Share [Text Block]
                         
    2011     2010     2009  
Basic weighted-average shares
    167,140       165,666       161,549  
Common stock equivalents
    1,241                  
 
                 
Diluted weighted-average shares
    168,381       165,666       161,549  
 
                 
Common stock equivalents excluded from diluted weighted-average shares due to anti-dilutive effect (a)
          1,968       3,936  
 
                 
Weighted average number of anti-dilutive options (b)
    7,936       8,401       7,604  
 
                 
Shares issued under stock incentive and employee stock purchase plans
    2,390       1,712       4,442  
 
                 
(a)   Common stock equivalents represent the dilutive effect of outstanding in-the-money stock options using the treasury stock method. For fiscal 2010 and 2009, there were no incremental shares attributed to outstanding options to purchase common stock because the Company had a net loss in fiscal 2010 and fiscal 2009 and any incremental shares would be anti-dilutive.
 
(b)   Based upon the average quarterly closing price of the Company’s common stock on the NYSE for the period.