| In millions, except per share items | Jun-30-23 | Mar-31-23 | Jun-30-22 | Mar-31-22 | Sep-30-21 | Jun-30-21 | Mar-31-21 |
| | 10-Q | 10-Q | 10-Q | 10-Q | 10-Q | 10-Q | 10-Q |
| Cash Flows from Operating Activities: | | | | | | | |
| Net (loss) income | -0.3 | -0.3 | 0.0 | 0.6 | 0.8 | 0.0 | |
| Adjustments to reconcile net (loss) income to net cash used in operating activities: | | | | | | | |
| Interest earned on marketable securities held in trust account | -0.2 | | 0.0 | | | | |
| Change in fair value of warrant liability | 0.0 | -0.2 | -0.4 | -1.0 | -1.2 | | |
| Change in fair value of PIPE derivative liability | 0.0 | 0.0 | -0.4 | -1.0 | | | |
| Changes in operating assets and liabilities: | | | | | | | |
| Prepaid expenses | | | 0.2 | 0.2 | -0.6 | 0.0 | |
| Accrued expenses | 0.2 | 0.2 | 0.1 | 0.1 | | | |
| Net cash used in operating activities | -0.1 | -0.2 | -0.1 | -0.1 | -1.0 | -0.1 | |
| |
| Cash Flows from Investment Activities: | | | | | | | |
| Proceeds from sale of investments in marketable securities | 18.5 | 9.9 | | | | | |
| Investment in marketable securities | -18.6 | -9.0 | | | | | |
| Reinvest interest earned on marketable securities held in Trust Account | -0.1 | | | | | | |
| Net cash provided by investing activities | -0.1 | 0.8 | | | -80.0 | | |
| |
| Net cash from Financing Activities: | | | | | | | |
| Redemption of ordinary shares subject to possible redemption | | -1.0 | | | | | |
| Proceeds from promissory note - due to sponsor | 0.1 | 0.3 | 0.2 | | | 0.1 | |
| Net cash (used in) provided by financing activities | 0.1 | -0.7 | 0.2 | | 81.3 | 0.1 | |
| Net Change in Cash | -0.1 | -0.1 | 0.0 | -0.1 | 0.3 | 0.0 | |
| |
| Non-Cash investing and financing activities: | | | | | | | |
| Accretion to ordinary shares subject to redemption | 0.2 | 0.3 | | | | | |