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EMPLOYEE BENEFIT PLANS - Target Allocation and Asset Allocation for the Pension Plan (Details)	Sep. 30, 2023	Sep. 30, 2022
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	100.00%
Asset allocation	100.00%	100.00%
U.S. equities
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	17.00%
Asset allocation	17.00%	18.00%
International equities
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	12.00%
Asset allocation	12.00%	11.00%
Fixed income
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	71.00%
Asset allocation	71.00%	71.00%

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Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480482/715-20-55-17

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

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Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480506/715-20-50-1

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