Pension Plans (Accounting For The Pension Plans) (Details)	12 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
U.S. Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average assumptions used to determine benefit obligations at September 30 measurement date, Discount rate	0.00%	0.00%	3.80%
Weighted average assumptions used to determine benefit obligations at September 30 measurement date, Rate of increase in future compensation	0.00%	0.00%	0.00%
Weighted average assumptions used to determine net periodic pension cost for fiscal years ended September 30, Discount rate	0.00%	3.80%	4.90%
Weighted average assumptions used to determine net periodic pension costs for fiscals years ended September 30, Rate of increase of future compensation	0.00%	0.00%	0.00%
Weighted average assumptions used to determine net periodic pension cost for fiscal years ended September 30, Rate of return on plan assets	0.00%	1.35%	7.25%
International Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average assumptions used to determine benefit obligations at September 30 measurement date, Discount rate	1.30%	2.20%	2.40%
Weighted average assumptions used to determine benefit obligations at September 30 measurement date, Rate of increase in future compensation	2.80%	3.00%	3.00%
Weighted average assumptions used to determine net periodic pension cost for fiscal years ended September 30, Discount rate	2.20%	2.40%	3.30%
Weighted average assumptions used to determine net periodic pension costs for fiscals years ended September 30, Rate of increase of future compensation	3.00%	3.00%	3.00%
Weighted average assumptions used to determine net periodic pension cost for fiscal years ended September 30, Rate of return on plan assets	5.73%	5.80%	5.70%

The interest rate used to adjust for the time value of money for the plan.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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- Definition

Expected rate of compensation increases (for pay-related plans).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(2)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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- Definition

The interest rate used to adjust for the time value of money.

+ References

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- Definition

An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Expected Long-Term Rate of Return on Plan Assets
-URI http://asc.fasb.org/extlink&oid=6512046

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(3)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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- Definition

Expected rate of compensation increases (for pay-related plans).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(2)
-URI http://asc.fasb.org/extlink&oid=58740216&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.

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