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PENSION PLAN (Schedule of Fair Value Measurements of Plan Assets) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Sep. 30, 2019
Investments	$ 3,579	$ 3,581
Large-Cap Value [Member]
Investments	468	484
Large-Cap Core [Member]
Investments	576	500
Mid-Cap Core [Member]
Investments	220	205
Small-Cap Core [Member]
Investments	196	193
Non-U.S. Core [Member]
Investments	833	802
Intermediate-Term Core [Member]
Investments	1,241	1,304
Money Market Funds [Member]
Investments	45	93
Fair Value, Inputs, Level 1 [Member]
Investments	3,579	3,581
Fair Value, Inputs, Level 1 [Member] | Large-Cap Value [Member]
Investments	468	484
Fair Value, Inputs, Level 1 [Member] | Large-Cap Core [Member]
Investments	576	500
Fair Value, Inputs, Level 1 [Member] | Mid-Cap Core [Member]
Investments	220	205
Fair Value, Inputs, Level 1 [Member] | Small-Cap Core [Member]
Investments	196	193
Fair Value, Inputs, Level 1 [Member] | Non-U.S. Core [Member]
Investments	833	802
Fair Value, Inputs, Level 1 [Member] | Intermediate-Term Core [Member]
Investments	1,241	1,304
Fair Value, Inputs, Level 1 [Member] | Money Market Funds [Member]
Investments	45	93
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://fasb.org/us-gaap/role/ref/legacyRef
-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=120400017&loc=d3e572229-122910

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