| Line Item | Jun 30, 2026 | Mar 31, 2026 | Dec 31, 2025 | Sep 30, 2025 | Jun 30, 2025 | Mar 31, 2025 | Sep 30, 2024 |
|---|---|---|---|---|---|---|---|
| Operating expenses: | |||||||
| General and administrative expenses | |||||||
| Loss from operations | |||||||
| Other income: | |||||||
| Change in over-allotment option liability | — | — | |||||
| Interest earned on investments held in Trust Account | |||||||
| Total other income | |||||||
| Net income | |||||||
| Basic net income per ordinary share (in dollars per share) | — | — | — | — | |||
| Diluted net income per ordinary share (in dollars per share) | — | — | — | — |