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Retirement Plans (Schedule Of Weighted-Average Assumptions Used In Valuations Of Pension Benefits) (Details) | 12 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2019
U.S. Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Assumption used to determine net pension expense service cost, Discount rate | 3.16% | 3.40% | 4.33%
Assumption used to determine net pension expense interest cost, Discount rate | 2.10% | 2.87% | 3.98%
Assumptions used to determine net pension expense, Expected return on plan assets | 6.50% | 6.75% | 7.00%
Assumptions used to determine net pension expense, Rate of compensation increase | 3.25% | 3.25% | 3.25%
Assumptions used to determine benefit obligations, Discount rate | 2.92% | 2.81% | 3.22%
Assumptions used to determine benefit obligations, Rate of compensation increase | 3.25% | 3.25% | 3.25%
Non-U.S. Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Assumption used to determine net pension expense service cost, Discount rate | 1.90% | 1.90% | 2.70%
Assumption used to determine net pension expense interest cost, Discount rate | 1.90% | 1.90% | 2.70%
Assumptions used to determine net pension expense, Expected return on plan assets | 5.60% | 5.80% | 6.10%
Assumptions used to determine net pension expense, Rate of compensation increase | 3.60% | 3.70% | 3.50%
Assumptions used to determine benefit obligations, Discount rate | 2.20% | 1.90% | 1.90%
Assumptions used to determine benefit obligations, Rate of compensation increase | 3.70% | 3.60% | 3.70%

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- Definition Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Discount Rate Service Costs + References No definition available. + Details
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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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(2) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + 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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(3) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e2919-114920 + Details
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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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(2) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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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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