| Line Item | Jun 30, 2026 | Mar 31, 2026 | Dec 31, 2025 | Sep 30, 2025 | Jun 30, 2025 | Sep 30, 2024 |
|---|---|---|---|---|---|---|
| Formation, general and administrative costs | — | |||||
| Loss from operations | — | — | — | |||
| Other income: | ||||||
| Interest earned on marketable securities held in Trust Account | — | — | — | |||
| Total other income | — | — | — | |||
| Net income (loss) | ||||||
| Basic net income per ordinary share | — | — | — | |||
| Diluted net income per ordinary share | — | — | — |