| In millions, except per share items | Jun-30-23 | Jun-30-22 | Mar-31-22 | Sep-30-21 | Jun-30-21 |
| | 10-Q | 10-Q | 10-Q | 10-Q | 10-Q |
| Cash Flows from Operating Activities: | | | | | |
| Net income | -1.0 | 0.6 | 4.3 | 3.4 | -0.7 |
| Adjustments to reconcile net income to net cash used in operating activities: | | | | | |
| Trust interest income | | | | | |
| Change in fair value of warrants | 1.5 | -1.0 | -4.6 | -3.8 | 0.1 |
| Stock-based compensation | | 0.1 | 0.1 | | |
| Changes in current assets and current liabilities: | | | | | |
| Prepaid expenses | | 0.1 | 0.1 | | |
| Due to related party | | 0.0 | 0.0 | | |
| Accounts payable and accrued expenses | | 0.1 | -0.1 | | |
| Income taxes payable | | 0.0 | | | |
| Net cash used in operating activities | 0.5 | -0.4 | -0.2 | -0.3 | -0.5 |
| |
| Cash flows from investing activities: | | | | | |
| |
| Cash Flows from Financing Activities: | | | | | |
| Proceeds from issuance of promissory note to related party | | 0.4 | | | |
| Net cash (used in) provided by financing activities | | 0.4 | | | |
| Net Change in Cash | | -0.2 | | | |
| |
| Supplemental disclosure of cash flow information: | | | | | |
| Non-Cash investing and financing activities: | | | | | |
| Remeasurement of Class A common stock to redemption value | | 0.0 | | | |