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PENSION PLAN (Schedule of Pension Plan Weighted-Average Asset Allocations) (Details) | Sep. 30, 2021 | Sep. 30, 2020
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Weighted average asset allocation (percentage) | 100.00% | 100.00%
Equity Securities [Member] |  |
Weighted average asset allocation (percentage) | 68.00% | 64.00%
Debt Securities [Member] |  |
Weighted average asset allocation (percentage) | 31.00% | 35.00%
Money Market Funds [Member] |  |
Weighted average asset allocation (percentage) | 1.00% | 1.00%

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- Definition Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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