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Income (Loss) Per Share Information (Tables) | 3 Months Ended
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Jan. 31, 2013
Earnings Per Share [Abstract] |
Calculation of income per share | The table below provides, for the periods indicated, information pertaining to the calculation of income (loss) per share, common stock equivalents, weighted-average number of anti-dilutive options and shares issued (amounts in thousands):
| Three months ended January 31,
| 2013 |  | 2012
Basic weighted-average shares (a) | 169,064 |  |  | 166,311 |
Common stock equivalents (b) | 2,839 |  |  |  |
Diluted weighted-average shares | 171,903 |  |  | 166,311 |
Other information: |  |  |
Common stock equivalents excluded from diluted weighted-average shares due to anti-dilutive effect (b) |  |  |  | 796 |
Weighted-average number of anti-dilutive options (c) | 980 |  |  | 6,727 |
Shares issued under stock incentive and employee stock purchase plans | 523 |  |  | 942 |
(a) | Basic weighted-average shares included the weighted-average number of shares outstanding for the period and vested shares issuable under restricted stock unit awards.
(b) | Common stock equivalents represent the dilutive effect of outstanding in-the-money stock options and unvested shares issuable under restricted stock unit awards whose performance criteria, if any, have been met and are expected to be issued, using the treasury stock method. 5.9 million shares issuable upon the conversion of the Company's 0.5% Exchangeable Senior Notes are excluded from the calculation of diluted earnings per share because they are anti-dilutive.
(c) | Based upon the average closing price of the Company’s common stock on the NYSE for the period.

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations. + References No definition available. + Details
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