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Post Retirement Benefit Plans - Health Care And Life Insurance Benefits (Details) - Other Postretirement Benefits Plan - Participant | 12 Months Ended
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Oct. 31, 2017 | Oct. 31, 2016
Defined Benefit Plan Disclosure [Line Items] |  |
Retirees and beneficiaries (participant) | 653 | 704
Active participants (participant) | 20 | 22
South Africa | Foreign Plan |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Retirees and beneficiaries (participant) | 86 | 88
Active participants (participant) | 8 | 10
United States |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Retirees and beneficiaries (participant) | 567 | 616
Active participants (participant) | 12 | 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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