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Employee Benefits - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Oct. 31, 2022 | Oct. 31, 2021 | Oct. 31, 2020
Defined Benefit Plan Disclosure [Line Items] |  |  |
Accumulated benefit obligation | $ 134.9 | $ 207.6 | $ 195.8
Discount rate | 2.76% | 2.78% | 3.13%
Discount rate, decrease | 0.02% |  |
Projected defined benefit plan benefit obligation | $ 217.2 |  |
Projected defined accumulated benefit obligation | 194.2 |  |
Defined benefit obligation, actuarial gain (loss) | $ 93.2 | $ (2.0) | $ (20.0)
Expected long-term return on diversified portfolio | 8.00% |  |
Company's contribution to the pension plan | $ 0.0 | 12.7 | 23.4
Maximum annual contributions per employee in 401k savings plan | 75.00% |  |
Contributions by employer in 401k savings plan | $ 9.0 | $ 7.2 | $ 6.8
Minimum | Equity Securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Diversified portfolio, allocation of assets in equities | 50.00% |  |
Maximum | Equity Securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Diversified portfolio, allocation of assets in equities | 70.00% |  |
Change In Assumptions For Defined Benefit Plans, Change In Key Assumptions |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined benefit obligation, actuarial gain (loss) | $ 97.1 |  |
Change In Assumptions For Defined Benefit Plans, Change In Demographic Experience |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined benefit obligation, actuarial gain (loss) | (3.9) |  |
Change In Assumptions For Defined Benefit Plans, Change In Discount Rate |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined benefit obligation, actuarial gain (loss) | 72.7 |  |
Change In Assumptions For Defined Benefit Plans, Change In Assumed Payment Form Election Probabilities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined benefit obligation, actuarial gain (loss) | 0.3 |  |
Change In Assumptions For Defined Benefit Plans, Change In Lump Sum Determination |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined benefit obligation, actuarial gain (loss) | $ 24.1 |  |

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- Definition Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate, Projected Benefit Obligation + References No definition available. + Details
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- Definition Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(4) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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