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Retirement Plans - Plan Assets Segregated by Fair Value Hierarchy Level (Details) - Pension Plan - USD ($) $ in Thousands	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 19,352	$ 19,229	$ 17,237
Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	157
Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,152
Pooled funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	18,043
Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,309
Level 1 | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	157
Level 1 | Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,152
Level 1 | Pooled funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0
Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	18,043
Level 2 | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0
Level 2 | Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0
Level 2 | Pooled funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	18,043
Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0
Level 3 | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0
Level 3 | Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0
Level 3 | Pooled funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 0

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+ References

No definition available.

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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.

+ 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 (d)(iv)(01)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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