Employee Benefits - Amounts Recognized in Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2020
Amounts recognized in accumulated other comprehensive income consist of:
Net loss	$ 8.0	$ 44.4	$ 74.2
Accumulated other comprehensive income	$ 8.0	$ 44.4	$ 74.2

Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
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Name:	us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant