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Earnings Per Share Information | 12 Months Ended
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Oct. 31, 2017
Earnings Per Share [Abstract] |
Income per Share Information | Earnings Per Share Information Information pertaining to the calculation of earnings per share for each of the fiscal years ended October 31, 2017, 2016, and 2015, is as follows (amounts in thousands):
| 2017 |  | 2016 |  | 2015
Numerator: |  |  |  |  |
Net income as reported | $ | 535,495 |  |  | $ | 382,095 |  |  | $ | 363,167 |
Plus: Interest and costs attributable to 0.5% Exchangeable Senior Notes, net of income tax benefit (a) | 1,434 |  |  | 1,538 |  |  | 1,561 |
Numerator for diluted earnings per share | $ | 536,929 |  |  | $ | 383,633 |  |  | $ | 364,728 |
Denominator: |  |  |  |  |
Basic weighted-average shares | 162,222 |  |  | 168,261 |  |  | 176,425 |
Common stock equivalents (b) | 2,147 |  |  | 1,854 |  |  | 2,420 |
Shares attributable to 0.5% Exchangeable Senior Notes (a) | 5,118 |  |  | 5,858 |  |  | 5,858 |
Diluted weighted-average shares | 169,487 |  |  | 175,973 |  |  | 184,703 |
Other information: |  |  |  |  |
Weighted-average number of antidilutive options and restricted stock units (c) | 1,966 |  |  | 3,932 |  |  | 1,826 |
Shares issued under stock incentive and employee stock purchase plans | 3,116 |  |  | 587 |  |  | 1,467 |
(a) | On September 15, 2017, we redeemed these notes.
(b) | Common stock equivalents represent the dilutive effect of outstanding in-the-money stock options using the treasury stock method and shares expected to be issued under our restricted stock units programs.
(c) | Weighted-average number of antidilutive options and restricted stock units are based upon the average of the average quarterly closing prices of our common stock on the NYSE for the year.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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