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Employee Benefits - Weighted-Average Asset Allocations by Asset Category (Details) | Oct. 31, 2022 | Oct. 31, 2021 | Oct. 31, 2020
--- | --- | --- | ---
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |  |  |
Asset allocation | 100.00% | 100.00% | 100.00%
Cash and cash equivalents |  |  |
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |  |  |
Asset allocation | 2.00% | 5.00% | 11.80%
Equity mutual funds |  |  |
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |  |  |
Asset allocation | 65.80% | 62.80% | 57.70%
Hedging Strategy Funds |  |  |
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |  |  |
Asset allocation | 5.20% | 4.70% | 4.30%
Bond mutual funds |  |  |
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |  |  |
Asset allocation | 27.00% | 27.50% | 26.20%

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- Definition Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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