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Retirement Plans - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Defined Benefit Plan Disclosure [Line Items]
Maximum annual earnings that may be deferred (up to)	100.00%
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Funding contributions	$ 0
Pension Plan | Cash
Defined Benefit Plan Disclosure [Line Items]
Long-term asset allocation target percentage	1.00%
Pension Plan | Fixed Income
Defined Benefit Plan Disclosure [Line Items]
Long-term asset allocation target percentage	99.00%
401(k) Plan
Defined Benefit Plan Disclosure [Line Items]
Matching contribution percentage (up to)	4.00%
Annual vesting rate	20.00%
Plan contribution expense	$ 546	$ 1,107	$ 927

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Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 55
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Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

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Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

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Amount of cash outflow for pension benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes other postretirement benefit.

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