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Employee Benefits - Weighted-Average Asset Allocations by Asset Category (Details) | Oct. 31, 2023 | Oct. 31, 2022 | Oct. 31, 2021
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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 | 2.90% | 2.00% | 5.00%
Corporate common stock |  |  |
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |  |  |
Asset allocation | 26.00% | 33.60% | 31.60%
Equity mutual funds |  |  |
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |  |  |
Asset allocation | 39.10% | 33.90% | 32.80%
Balanced funds |  |  |
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |  |  |
Asset allocation | 2.40% | 1.80% | 1.40%
Alternative investments |  |  |
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |  |  |
Asset allocation | 0.70% | 0.90% | 1.00%
Bond mutual funds |  |  |
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |  |  |
Asset allocation | 28.90% | 27.80% | 28.20%

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