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Retirement Plans - Narrative (Details) - USD ($)	3 Months Ended
	Jan. 31, 2020	Jan. 31, 2019
Retirement Benefits [Abstract]
Average earnings	5 years
Contributions	$ 0	$ 150,000

X

- Definition

Defined Benefit Plan, Average Earnings, Term

+ References

No definition available.

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- References

No definition available.

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X

- Definition

Amount of contribution received by defined benefit plan from employer which increases plan assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921

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-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
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