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EMPLOYEE BENEFIT PLANS (Target Allocations and Weighted Average Asset Allocations) (Details) - Retirement Income [Member] | Jun. 30, 2020 | Jun. 30, 2019
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Defined Benefit Plan Disclosure [Line Items] |  |
Target plan asset allocations | 100.00% | 100.00%
Actual plan asset allocations | 100.00% | 100.00%
US equity [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target plan asset allocations | 5.00% | 9.00%
Actual plan asset allocations | 5.00% | 9.00%
International equity [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target plan asset allocations | 5.00% | 8.00%
Actual plan asset allocations | 5.00% | 8.00%
Fixed Income [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target plan asset allocations | 90.00% | 83.00%
Actual plan asset allocations | 90.00% | 83.00%
Other [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target plan asset allocations | 0.00% | 0.00%
Actual plan asset allocations | 0.00% | 0.00%

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- Definition Percentage of target 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/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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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=118255775&loc=d3e1928-114920 + Details
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