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Stock-Based Benefit Plans (Stock Options Intrinsic Value Table) (Details 4) - Share-based Payment Arrangement, Option [Member] - USD ($) $ in Thousands | Oct. 31, 2020 | Oct. 31, 2019 | Oct. 31, 2017
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Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value | $ 34,058 | $ 45,551 | $ 30,477
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value | $ 29,961 | $ 39,350 | $ 29,010

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