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Income (Loss) Per Share Information (Tables) | 12 Months Ended
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Oct. 31, 2012
Earnings Per Share [Abstract] |
Calculation of (loss) income per share | Information pertaining to the calculation of income (loss) per share for each of the fiscal years ended October 31, 2012, 2011 and 2010 is as follows (amounts in thousands):
| 2012 |  | 2011 |  | 2010
Numerator: |  |  |  |  |
Net income (loss) as reported | $ | 487,146 |  |  | $ | 39,795 |  |  | $ | (3,374 | )
Plus: Interest attributable to 0.5% Senor Notes, net of income tax benefit | 78 |  |  |  |  |  |  |
Numerator for diluted earnings (loss) per share | $ | 487,224 |  |  | $ | 39,795 |  |  | $ | (3,374 | )
Denominator: |  |  |  |  |
Basic weighted-average shares | $ | 167,346 |  |  | $ | 167,140 |  |  | $ | 165,666 |
Common stock equivalents (a) | 1,996 |  |  | 1,241 |  |  |  |
Shares attributable to 0.5% Senior Notes (b) | 812 |  |  |  |  |  |
Diluted weighted-average shares | $ | 170,154 |  |  | $ | 168,381 |  |  | $ | 165,666 |
Other information: |  |  |  |  |
Common stock equivalents excluded from diluted weighted-average shares due to anti-dilutive effect (a) |  |  |  |  |  |  | 1,968 |
Weighted average number of anti-dilutive options (c) | 3,646 |  |  | 7,936 |  |  | 8,401 |
Shares issued under stock incentive and employee stock purchase plans | 2,927 |  |  | 2,390 |  |  | 1,712 |
(a) | Common stock equivalents represent the dilutive effect of outstanding in-the-money stock options using the treasury stock method, Stock Price-Based RSUs whose Target Price criteria have been met but are unpaid and shares expected to be issued under Performance-Based Restricted Stock Units. For fiscal 2010, there were no common stock equivalents used in the calculation of diluted earnings per share because the Company had a net loss and any incremental shares would be anti-dilutive.
(b) | On a full year basis, shares attributable to the 0.5% Senior Notes will be 5.9 million shares.
(c) | Based upon the average of the average quarterly closing prices of the Company’s common stock on the NYSE for the year.

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