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Income Per Share Information (Tables) | 6 Months Ended
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Apr. 30, 2015
Earnings Per Share [Abstract] |
Calculation of income per share | The table below provides, for the periods indicated, information pertaining to the calculation of income per share, common stock equivalents, weighted-average number of antidilutive options, and shares issued (amounts in thousands):
| Six months ended April 30, |  | Three months ended April 30,
| 2015 |  | 2014 |  | 2015 |  | 2014
Numerator: |  |  |  |  |  |  |
Net income as reported | $ | 149,255 |  |  | $ | 110,802 |  |  | $ | 67,930 |  |  | $ | 65,222 |
Plus interest and costs attributable to 0.5% Exchangeable Senior Notes, net of income tax benefit | 786 |  |  | 789 |  |  | 392 |  |  | 392 |
Numerator for diluted earnings per share | $ | 150,041 |  |  | $ | 111,591 |  |  | $ | 68,322 |  |  | $ | 65,614 |
Denominator: |  |  |  |  |  |  |
Basic weighted-average shares | 176,267 |  |  | 177,278 |  |  | 176,458 |  |  | 178,082 |
Common stock equivalents (a) | 2,347 |  |  | 2,529 |  |  | 2,522 |  |  | 2,502 |
Shares attributable to 0.5% Exchangeable Senior Notes | 5,858 |  |  | 5,858 |  |  | 5,858 |  |  | 5,858 |
Diluted weighted-average shares | 184,472 |  |  | 185,665 |  |  | 184,838 |  |  | 186,442 |
Other information: |  |  |  |  |  |  |
Weighted-average number of antidilutive options and restricted stock units (b) | 2,091 |  |  | 1,426 |  |  | 1,814 |  |  | 1,249 |
Shares issued under stock incentive and employee stock purchase plans | 1,265 |  |  | 1,225 |  |  | 588 |  |  | 212 |
(a) | 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 performance-based restricted stock units and nonperformance-based restricted stock units.
(b) | Based upon the average closing price of our 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, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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