Employee Benefit Plans - Other Post-retirement Benefit Plan (Details) - Executive Retiree Health Insurance Plan - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2022 |
|
| Defined Benefit Plan Disclosure [Line Items] | |||
| Defined benefit plan, maximum age eligibility | 65 years | ||
| Benefit expense | $ 0.6 | $ 0.3 | $ 0.1 |
| Benefit obligation | $ 5.4 | $ 4.7 | $ 4.0 |