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Post Retirement Benefit Plans - Health Care And Life Insurance Benefits (Details) - Other Postretirement Benefits Plan - Participant | 12 Months Ended
--- | ---
Oct. 31, 2018 | Oct. 31, 2017
Defined Benefit Plan Disclosure [Line Items] |  |
Retirees and beneficiaries (participant) | 625 | 653
Active participants (participant) | 12 | 20
South Africa | Foreign Plan |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Retirees and beneficiaries (participant) | 83 | 86
Active participants (participant) | 7 | 8
United States |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Retirees and beneficiaries (participant) | 542 | 567
Active participants (participant) | 5 | 12

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- Definition Active participants in numerous defined benefit pension plans. + References No definition available. + Details
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- Definition Retirees and beneficiaries numerous defined benefit pension plans. + References No definition available. + Details
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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. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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