Stock-Based Benefit Plans (Stock Options - Net Exercise Method Table) (Details 6) - Employee Stock Option [Member] - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Oct. 31, 2018 |
Oct. 31, 2017 |
Oct. 31, 2016 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Options exercised | 797,000 | 2,863,000 | 255,000 |
| Net exercise method [Member] | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Options exercised | 15,000 | 5,000 | |
| Shares tendered | 14,472 | 3,547 | |
| Shares issued | 528 | 1,453 | |
| Average Fair Market Value Per Share Withheld | $ 32.98 | $ 32.85 | |
| Aggregate Fair Market Value of Shares Withheld | $ 477 | $ 117 | |
| X | ||||||||||
- Definition Aggregate fair market value of shares withheld. No definition available.
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- Definition Average fair market value per share withheld. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer. No definition available.
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- Definition Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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