RETIREMENT AND POSTRETIREMENT BENEFIT PLANS (Schedule of Actuarial Assumptions) (Details) - Master Defined Benefit Retirement Plan [Member]	12 Months Ended
Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Weighted average assumptions to determined benefit obligations at the measurement date:
Discount rate for obligation	4.40%	4.50%	5.00%
Rate of compensation increase	3.00%	3.00%	3.30%
Weighted average assumptions to determined benefit cost for the year:
Discount rate for expense	4.50%	5.00%	4.10%
Expected rate of return on plan assets	6.80%	7.00%	7.00%
Rate of compensation increase	3.00%	3.30%	3.30%

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

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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

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

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

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-Section 50

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-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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