Defined Contribution And Other Employee Plans (Narrative) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Union-Sponsored Plan [Member] | |||
| Defined Contribution Plan Disclosure [Line Items] | |||
| Costs related to union-sponsored defined contribution plan | $ 0.8 | $ 1.0 | $ 1.0 |