Employee Benefit Plans - Plan Information (Details) - USD ($) $ in Millions	Oct. 31, 2021	Oct. 31, 2020
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Net obligations	$ 7.5	$ 9.6
Projected benefit obligations	15.9	17.0
Fair value of assets	8.4	$ 7.4
Unfunded Plan
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Projected benefit obligations	$ 8.2

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No definition available.

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Amount of asset (liability), recognized in statement of financial position, for defined benefit pension and other postretirement plans.

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- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

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Amount of projected benefit obligation for defined benefit pension plan with accumulated benefit obligation in excess of plan assets.

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