Income Taxes - Schedule of Unrecognized Tax Benefits (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] | ||
| Beginning balance | $ 0.0 | $ 0.0 |
| Gross (decrease) increase in unrecognized tax positions | 0.0 | |
| Gross (decrease) increase in unrecognized tax positions | 0.0 | |
| Ending balance | $ 0.0 | $ 0.0 |