| Line Item | Jun 30, 2026 | Mar 31, 2026 | Dec 31, 2025 | Sep 30, 2025 | Jun 30, 2025 | Mar 31, 2025 | Sep 30, 2024 |
|---|---|---|---|---|---|---|---|
| Formation and operating costs | |||||||
| Net loss from operations | |||||||
| Net Income (loss) | |||||||
| Basic net income per ordinary share | — | — | — | ||||
| Diluted net income per ordinary share | — | — | — |