| In millions, except per share items | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 | Mar-31-21 | Sep-30-20 |
| | 10-Q | 10-Q | 10-K | 10-Q/A | 10-Q | 10-Q | 10-Q/A |
| Cash Flows from Operating Activities: | | | | | | | |
| Net income (loss) | -14.0 | 3.3 | 0.2 | 1.1 | -1.4 | 1.6 | 1.2 |
| Adjustments to reconcile net income (loss) to net cash used in operating activities: | | | | | | | |
| Change in fair value of derivative warrant liabilities | 6.3 | -3.9 | -1.4 | -1.5 | 1.1 | -2.0 | -1.5 |
| Interest income from investments held in Trust Account | -0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Changes in assets and liabilities: | | | | | | | |
| Prepaid expenses | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.1 | 0.0 |
| Accounts payable | 0.0 | 0.0 | -0.2 | 0.1 | -0.1 | 0.1 | 0.0 |
| Accounts payable - related party | 0.1 | | | | | | |
| Accrued expenses | 7.3 | 0.3 | 0.9 | -0.1 | 0.0 | 0.0 | 0.0 |
| Franchise tax payable | 0.0 | -0.1 | 0.0 | 0.1 | 0.0 | 0.0 | 0.1 |
| Income tax payable | 0.0 | | | | | | |
| Net cash used in operating activities | -0.8 | -0.3 | -0.3 | -0.4 | -0.3 | -0.2 | 0.0 |
| |
| Cash Flows from Financing Activities: | | | | | | | |
| Proceeds from convertible note - related party | 0.8 | 0.3 | 0.3 | 0.2 | | | |
| Net cash provided by financing activities | 0.8 | 0.3 | 0.3 | 0.2 | | | 415.5 |
| Net change in cash | 0.1 | | | | -0.5 | | |