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Employee Benefit Plans - Fair Values of Plan Assets (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2023
--- | --- | --- | ---
Fair values of the plan assets by asset category |  |  |
Fair value of plan assets | $ 30,965 | $ 31,024 | $ 58,387
Level 1 |  |  |
Fair values of the plan assets by asset category |  |  |
Fair value of plan assets | 1,278 | 773 |
Level 2 |  |  |
Fair values of the plan assets by asset category |  |  |
Fair value of plan assets | 29,137 | 29,727 |
Level 3 |  |  |
Fair values of the plan assets by asset category |  |  |
Fair value of plan assets | 550 | 524 | $ 1,552
Defined Benefit Plan, Cash and Cash Equivalents |  |  |
Fair values of the plan assets by asset category |  |  |
Fair value of plan assets | 264 | 277 |
Defined Benefit Plan, Cash and Cash Equivalents | Level 1 |  |  |
Fair values of the plan assets by asset category |  |  |
Fair value of plan assets | 264 | 277 |
Defined Benefit Plan, Common Collective Trust, Global Large Cap Equities |  |  |
Fair values of the plan assets by asset category |  |  |
Fair value of plan assets | 5,799 | 5,601 |
Defined Benefit Plan, Common Collective Trust, Global Large Cap Equities | Level 2 |  |  |
Fair values of the plan assets by asset category |  |  |
Fair value of plan assets | 5,249 | 5,077 |
Defined Benefit Plan, Common Collective Trust, Global Large Cap Equities | Level 3 |  |  |
Fair values of the plan assets by asset category |  |  |
Fair value of plan assets | 550 | 524 |
Defined Benefit Plan, Common Collective Trust, Fixed Income Securities |  |  |
Fair values of the plan assets by asset category |  |  |
Fair value of plan assets | 23,888 | 24,650 |
Defined Benefit Plan, Common Collective Trust, Fixed Income Securities | Level 2 |  |  |
Fair values of the plan assets by asset category |  |  |
Fair value of plan assets | 23,888 | 24,650 |
Mutual Fund |  |  |
Fair values of the plan assets by asset category |  |  |
Fair value of plan assets | 1,014 | 496 |
Mutual Fund | Level 1 |  |  |
Fair values of the plan assets by asset category |  |  |
Fair value of plan assets | $ 1,014 | $ 496 |

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