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Retirement Plans - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Funding contributions	$ 0	$ 600
Pension Plan | Domestic Equity
Defined Benefit Plan Disclosure [Line Items]
Long-term asset allocation target percentage	30.00%
Pension Plan | International Equity
Defined Benefit Plan Disclosure [Line Items]
Long-term asset allocation target percentage	10.00%
Pension Plan | Fixed Income
Defined Benefit Plan Disclosure [Line Items]
Long-term asset allocation target percentage	60.00%
401(k) Plan
Defined Benefit Plan Disclosure [Line Items]
Matching contribution percentage (up to)	4.00%
Maximum annual earnings that may be deferred (up to)	100.00%
Additional matching contribution percentage on deferrals (up to)	4.00%
Period after which employees are 100% vested	6 years
Annual vesting rate	20.00%
Plan contribution expense	$ 1,107	$ 927	$ 823

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Defined Contribution Plan, Employers Matching Contribution, Vesting Period

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- Definition

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

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
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Amount of cost for defined contribution plan.

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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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Percentage of employer's matching contributions to a defined contribution plan that vests in a given year.

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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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