| In millions, except per share items | Jun-30-23 | Mar-31-23 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Sep-30-21 | Jun-30-21 |
| | 10-Q | 10-Q | 10-Q | 10-Q | 10-Q | 10-Q | 10-Q |
| Loss from Operations [Abstract] | | | | | | | |
| General and administrative costs/ (reversal) | 0.3 | | | 0.5 | | | |
| Franchise tax expense | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | | |
| Loss from operations | -0.3 | 0.2 | -0.3 | -0.5 | -0.5 | -0.1 | 0.0 |
| |
| Other Income: | | | | | | | |
| Change in fair value of warrant liabilities | 1.1 | -1.0 | 1.1 | 1.9 | 2.4 | -0.8 | |
| Income earned on investments in Trust Account | 1.9 | 1.6 | 0.7 | 0.2 | 0.0 | | |
| Net income before provision for income taxes | 2.6 | 0.8 | 1.5 | 1.6 | 1.9 | -1.3 | |
| Provision for income taxes | -0.4 | -0.3 | -0.2 | | | | |
| Net Income | 2.2 | 0.5 | 1.3 | 1.6 | 1.9 | -1.3 | 0.0 |
| |
| Weighted average common stock outstanding, basic (in shares) | | | | | | | |
| Weighted average common stock outstanding, diluted (in shares) | | | | | | | |
| Basic net income per share (in dollars per share) | | | | | | | |
| Diluted net income per share (in dollars per share) | | | | | | | |