Employee Benefits (Narrative) (Details) - USD ($) $ in Millions	9 Months Ended
Jul. 31, 2018	Jul. 31, 2017
Retirement Benefits, Description [Abstract]
Defined benefit plan, contributions by employer	$ 5.0	$ 5.0
Defined benefit plan, estimated future employer contributions in current fiscal year	$ 5.0
Expected rate of return on plan assets for determining net periodic pension cost	8.00%

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.

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- Definition

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

+ References

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Amount of contributions expected to be received by defined benefit plan from employer in fiscal year. Excludes contributions paid by employer in current fiscal year.

+ References

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