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PENSION PLAN (Schedule of Fair Value Measurements of Plan Assets) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Sep. 30, 2016
Investments	$ 3,237	$ 2,951
Large-Cap Value [Member]
Investments	462	400
Large-Cap Core [Member]
Investments	482	414
Mid-Cap Core [Member]
Investments	224	198
Small-Cap Core [Member]
Investments	222	193
Non-U.S. Core [Member]
Investments	803	686
Intermediate-Term Core [Member]
Investments	1,033	1,055
Money Market Funds [Member]
Investments	11	5
Fair Value, Inputs, Level 1 [Member]
Investments	3,237	2,951
Fair Value, Inputs, Level 1 [Member] | Large-Cap Value [Member]
Investments	462	400
Fair Value, Inputs, Level 1 [Member] | Large-Cap Core [Member]
Investments	482	414
Fair Value, Inputs, Level 1 [Member] | Mid-Cap Core [Member]
Investments	224	198
Fair Value, Inputs, Level 1 [Member] | Small-Cap Core [Member]
Investments	222	193
Fair Value, Inputs, Level 1 [Member] | Non-U.S. Core [Member]
Investments	803	686
Fair Value, Inputs, Level 1 [Member] | Intermediate-Term Core [Member]
Investments	1,033	1,055
Fair Value, Inputs, Level 1 [Member] | Money Market Funds [Member]
Investments	11	5
Fair Value, Inputs, Level 2 [Member]
Investments
Fair Value, Inputs, Level 2 [Member] | Large-Cap Value [Member]
Investments
Fair Value, Inputs, Level 2 [Member] | Large-Cap Core [Member]
Investments
Fair Value, Inputs, Level 2 [Member] | Mid-Cap Core [Member]
Investments
Fair Value, Inputs, Level 2 [Member] | Small-Cap Core [Member]
Investments
Fair Value, Inputs, Level 2 [Member] | Non-U.S. Core [Member]
Investments
Fair Value, Inputs, Level 2 [Member] | Intermediate-Term Core [Member]
Investments
Fair Value, Inputs, Level 2 [Member] | Money Market Funds [Member]
Investments
Fair Value, Inputs, Level 3 [Member]
Investments
Fair Value, Inputs, Level 3 [Member] | Large-Cap Value [Member]
Investments
Fair Value, Inputs, Level 3 [Member] | Large-Cap Core [Member]
Investments
Fair Value, Inputs, Level 3 [Member] | Mid-Cap Core [Member]
Investments
Fair Value, Inputs, Level 3 [Member] | Small-Cap Core [Member]
Investments
Fair Value, Inputs, Level 3 [Member] | Non-U.S. Core [Member]
Investments
Fair Value, Inputs, Level 3 [Member] | Intermediate-Term Core [Member]
Investments
Fair Value, Inputs, Level 3 [Member] | Money Market Funds [Member]
Investments

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(h))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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