| In millions, except per share items | Jun-30-23 | Jun-05-23 | Mar-31-23 | Dec-31-22 | Dec-05-22 | Sep-05-22 | Jun-30-22 | Jun-05-22 |
| | 10-Q | 8-K | 10-Q | 10-K | 8-K | 8-K | 10-Q | 8-K |
| Net income | -72.1 | -72.1 | -66.7 | -59.9 | -59.9 | -75.5 | -68.2 | -68.2 |
| Depreciation and amortization | 4.4 | | 4.2 | 12.9 | | | 2.6 | |
| Change in working capital [+] | 7.7 | | -23.4 | 103.0 | | | 0.3 | |
| Accounts payable | -11.0 | | -3.1 | 18.8 | | | -7.2 | |
| Accrued expenses | 18.9 | | -15.4 | -25.6 | | | 0.9 | |
| Deferred revenues | -0.8 | | -0.4 | -1.2 | | | 3.5 | |
| Other | 0.5 | | -4.5 | 111.0 | | | 3.1 | |
| Other operating activities | 12.6 | | 5.0 | -263.5 | | | 3.5 | |
| Cash from operations | -47.3 | | -80.9 | -207.5 | | | -61.7 | |
| |
| Capital expenditures | 2.6 | | 4.8 | 30.7 | | | 9.2 | |
| Purchases of property and equipment | 2.6 | | 4.8 | 30.7 | | | 9.2 | |
| Purchases of short-term investments | 49.8 | | | | | | 28.9 | |
| Purchases of short-term investments | 49.8 | | | | | | 28.9 | |
| Other cash from investing | 2.8 | | 58.3 | -42.7 | | | -39.2 | |
| Cash from investing | 55.2 | | 63.1 | -11.9 | | | -1.1 | |
| |
| Option exercises | 0.2 | | 1.1 | | | | 0.9 | |
| Other cash from financing | -9.0 | | -8.0 | -28.8 | | | -6.8 | |
| Cash from financing | -9.2 | | -9.0 | -28.8 | | | -7.7 | |
| |
| Free cash flow | -44.7 | | -76.1 | -176.8 | | | -52.5 | |
| Per share (diluted) | ($1.03) | | ($1.75) | ($4.10) | | | ($1.22) | |
| |