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EMPLOYEE BENEFIT PLANS - Employee Retirement Savings Plans (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021
EMPLOYEE BENEFIT PLANS |  |  |
Contributions made by the entity to defined contribution plans | $ 7,200 | $ 6,900 | $ 6,700
Deferred Compensation Plan |  |  |
Company contribution on deferred compensation plan | 600 | 500 | 500
Assets held by Company | 36,800 |  |
Liabilities held by Company | $ 33,600 |  |
Period to classify liabilities underfunded plans as noncurrent | 12 months |  |
Defined Benefit Pension Plans |  |  |
Fair Value | $ 6,513 | 5,977 | $ 7,010
Maximum |  |  |
Deferred Compensation Plan |  |  |
Percentage of salaries which can be deferred by eligible employees | 80.00% |  |
Percentage of bonuses which can be deferred by eligible employees | 100.00% |  |
Nonqualified Plan |  |  |
Defined Benefit Pension Plans |  |  |
Fair Value | $ 13,600 | $ 11,900 |

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