PENSION AND POSTRETIREMENT PLANS - Schedule of Weighted-Average Assumptions used in Valuations of Pension Benefits (Details)	12 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
U.S. Plans
Net pension expense
Discount rate used to determine service cost	6.09%	5.66%	3.16%
Discount rate used to determine interest cost	5.94%	5.49%	2.31%
Expected return on plan assets	6.50%	6.00%	6.00%
Rate of compensation increase	4.00%	4.00%	4.00%
Benefit obligations
Discount rate	4.97%	6.03%	5.64%
Rate of compensation increase	4.00%	4.00%	4.00%
Non-U.S. Plans
Net pension expense
Discount rate used to determine service cost	5.20%	4.90%	2.20%
Discount rate used to determine interest cost	5.20%	4.90%	2.20%
Expected return on plan assets	4.70%	4.40%	4.40%
Rate of compensation increase	3.90%	4.00%	3.70%
Benefit obligations
Discount rate	4.70%	5.20%	4.90%
Rate of compensation increase	3.90%	3.90%	4.00%

Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate Interest Rate

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- Definition

Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Discount Rate Service Costs

+ References

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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
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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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
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (k)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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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
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-8

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (k)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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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.

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