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PENSION PLAN (Schedule of Fair Value Measurements of Plan Assets) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Sep. 30, 2020
Investments	$ 4,871	$ 3,579
Large-Cap Value [Member]
Investments	749	468
Large-Cap Core [Member]
Investments	749	576
Mid-Cap Core [Member]
Investments	506	220
Small-Cap Core [Member]
Investments	481	196
Non-U.S. Core [Member]
Investments	838	833
Intermediate-Term Core [Member]
Investments	665	1,241
Short- Duration Corporate [Member]
Investments	853
Money Market Funds [Member]
Investments	30	45
Fair Value, Inputs, Level 1 [Member]
Investments	4,871	3,579
Fair Value, Inputs, Level 1 [Member] | Large-Cap Value [Member]
Investments	749	468
Fair Value, Inputs, Level 1 [Member] | Large-Cap Core [Member]
Investments	749	576
Fair Value, Inputs, Level 1 [Member] | Mid-Cap Core [Member]
Investments	506	220
Fair Value, Inputs, Level 1 [Member] | Small-Cap Core [Member]
Investments	481	196
Fair Value, Inputs, Level 1 [Member] | Non-U.S. Core [Member]
Investments	838	833
Fair Value, Inputs, Level 1 [Member] | Intermediate-Term Core [Member]
Investments	665	1,241
Fair Value, Inputs, Level 1 [Member] | Short- Duration Corporate [Member]
Investments	853
Fair Value, Inputs, Level 1 [Member] | Money Market Funds [Member]
Investments	30	45
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] | Short- Duration Corporate [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] | Short- Duration Corporate [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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