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PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS Part 9 (Details)	12 Months Ended
	Sep. 30, 2013		Sep. 30, 2012
Pension Plans [Member]
Targeted and actual plan assets by category [Abstract]
Targeted allocation of plan assets	100.00%
Actual allocation of plan assets	100.00%		100.00%
Pension Plans [Member] | Equity Markets [Member]
Targeted and actual plan assets by category [Abstract]
Targeted allocation of plan assets	42.50%
Actual allocation of plan assets	45.90%		37.30%
Pension Plans [Member] | Commodities [Member]
Targeted and actual plan assets by category [Abstract]
Targeted allocation of plan assets	2.50%
Actual allocation of plan assets	1.60%		2.20%
Pension Plans [Member] | Real Estate [Member]
Targeted and actual plan assets by category [Abstract]
Targeted allocation of plan assets	2.50%
Actual allocation of plan assets	3.00%		2.20%
Pension Plans [Member] | Inflation-Indexed Securities [Member]
Targeted and actual plan assets by category [Abstract]
Targeted allocation of plan assets	2.50%
Actual allocation of plan assets	1.40%		2.20%
Pension Plans [Member] | Debt Securities [Member]
Targeted and actual plan assets by category [Abstract]
Targeted allocation of plan assets	50.00%
Actual allocation of plan assets	43.30%		41.10%
Pension Plans [Member] | Other
Targeted and actual plan assets by category [Abstract]
Targeted allocation of plan assets	0.00%	[1]
Actual allocation of plan assets	4.80%	[1]	15.00%	[1]
Postretirement Plans [Member]
Targeted and actual plan assets by category [Abstract]
Investment policy targets asset allocation to debt securities	40.00%
Current investment policy targets an asset allocation to equity securities	60.00%
Postretirement Plans [Member] | Equity Markets [Member]
Targeted and actual plan assets by category [Abstract]
Actual allocation of plan assets	59.00%		59.00%
Postretirement Plans [Member] | Debt Securities [Member]
Targeted and actual plan assets by category [Abstract]
Actual allocation of plan assets	39.00%		39.00%
Postretirement Plans [Member] | Other
Targeted and actual plan assets by category [Abstract]
Targeted allocation of plan assets	0.00%
Actual allocation of plan assets	2.00%		2.00%
[1] Other investments in 2013 consist of cash equivalents. The relatively large cash position at September 30, 2012 was due to a transition taking place between investment managers and was invested in debt securities in a matter of days.

X

- Definition

Current investment policy that target allocation of assets to equity securities.

+ References

No definition available.

+ Details

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X

- Definition

Current investment policy that target allocation of assets to debt securities.

+ References

No definition available.

+ Details

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X

- Details

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X

- Definition

Target allocation of investments of this type to total plan assets presented on a weighted average basis.

+ 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 (d)(i)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (c)(i)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2446-114920

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- Definition

Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2446-114920



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)(1)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

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