| Line Item | Jun 30, 2026 | Mar 31, 2026 | Sep 30, 2025 |
|---|---|---|---|
| General and administrative costs | |||
| Loss from operations | |||
| Other income: | |||
| Interest earned on cash held in operating bank account | — | — | |
| Interest earned on marketable securities held in Trust Account | |||
| Net income (loss) |