Employee Benefits (Schedule of Weighted-Average Assumptions Used in Computing Net Periodic Pension Cost and Projected Benefit Obligation) (Details)	12 Months Ended
Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Defined Benefit Plan Disclosure [Line Items]
Discount rate for determining benefit obligations at year end	4.42%	3.75%	3.74%
Rate of compensation increase for determining expense	4.00%	4.00%	4.00%
Rate of compensation increase for determining benefit obligations at year end	4.00%	4.00%	4.00%
Expected rate of return on plan assets for determining net periodic pension cost	8.00%	8.00%	8.00%
Expected rate of return on plan assets at year end	8.00%	8.00%	8.00%
Measurement date for determining assets and benefit obligations at year end	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Projected Benefit Obligation [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate for determining net periodic pension cost:	3.75%	3.74%	4.25%
Service Cost [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate for determining net periodic pension cost:	3.85%	3.90%	4.42%
Interest Cost [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate for determining net periodic pension cost:	3.39%	3.23%	3.70%

Defined benefit plan, expected rate of return on plan assets for determining net periodic pension cost.

No definition available.

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- Definition

Month-end measurement date applicable when an accounting policy election is made to measure plan assets and benefit obligations as of the month-end that is closest to the fiscal year-end, in CCYY-MM-DD format.

+ 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 (u)
-URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920

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- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920

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- Definition

Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(2)
-URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920

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- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan.

+ References

+ Details

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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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(3)
-URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920

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- Definition

Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(2)
-URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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