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EMPLOYEE BENEFIT PLANS - Fair Value of Plan Assets (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2020
--- | --- | --- | ---
Defined Benefit Plan Disclosure |  |  |
Defined benefit plan, target plan asset allocations | 100.00% | 100.00% |
Defined benefit plan, estimated future employer contributions in next fiscal year | $ 7,800 |  |
Defined benefit plan maximum yearly expected future benefit | 6,600 |  |
Fair Value Measurements |  |  |
Total assets measured at fair value | 43,593 | $ 44,726 | $ 37,928
Recurring |  |  |
Fair Value Measurements |  |  |
Total assets measured at fair value | 43,593 | 44,726 |
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  |
Fair Value Measurements |  |  |
Total assets measured at fair value | 27,543 | 25,458 |
Recurring | Significant Other Observable Inputs (Level 2) |  |  |
Fair Value Measurements |  |  |
Total assets measured at fair value | 16,050 | 19,268 |
Recurring | Cash and cash equivalents |  |  |
Fair Value Measurements |  |  |
Total assets measured at fair value | 27,543 | 25,458 |
Recurring | Cash and cash equivalents | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  |
Fair Value Measurements |  |  |
Total assets measured at fair value | 27,543 | 25,458 |
Recurring | Cash and cash equivalents | Significant Other Observable Inputs (Level 2) |  |  |
Fair Value Measurements |  |  |
Total assets measured at fair value | 0 | 0 |
Recurring | Bonds, equity securities and other investments |  |  |
Fair Value Measurements |  |  |
Total assets measured at fair value | 16,050 | 19,268 |
Recurring | Bonds, equity securities and other investments | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  |
Fair Value Measurements |  |  |
Total assets measured at fair value | 0 | 0 |
Recurring | Bonds, equity securities and other investments | Significant Other Observable Inputs (Level 2) |  |  |
Fair Value Measurements |  |  |
Total assets measured at fair value | $ 16,050 | $ 19,268 |

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- Definition Amount of contribution expected to be received by defined benefit plan from employer in next fiscal year following current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 18 -URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4587-114921 + Details
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