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Employee Benefits - Narrative (Details) - USD ($)	9 Months Ended
	Jul. 31, 2021	Jul. 31, 2020
Retirement Benefits [Abstract]
Defined benefit plan, contributions by employer	$ 0	$ 0
Expected rate of return on plan assets for determining net periodic pension cost	8.00%

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- Definition

Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

+ References

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-Publisher FASB
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- Definition

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

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