| In millions, except per share items | Dec-31-22 | Dec-31-21 | Dec-31-20 | Dec-31-19 |
| | 10-K | 10-K | 10-K | 10-K |
| Net income | -50.9 | -37.6 | -62.4 | -58.4 |
| Depreciation and amortization [+] | 40.0 | 28.5 | 0.4 | 0.1 |
| Amortization of intangible assets | 39.3 | 27.9 | | |
| Asset impairment charges | 3.6 | | | |
| Stock-based compensation | 6.6 | 7.0 | 4.3 | 1.0 |
| Change in working capital [+] | 17.4 | 12.2 | 8.0 | 19.6 |
| Accounts receivable | 11.9 | -16.2 | -5.4 | -0.5 |
| Other current assets | 3.4 | -2.7 | -1.6 | -0.5 |
| Accounts payable | 2.7 | -0.1 | -1.5 | 2.4 |
| Accrued expenses | -4.6 | 7.4 | 1.1 | 0.9 |
| Deferred revenues | -8.3 | 10.0 | 5.6 | 5.4 |
| Other | 12.4 | 13.8 | 9.9 | 11.9 |
| Other operating activities | -56.2 | -83.3 | -3.8 | -7.1 |
| Cash from operations | -39.5 | -73.2 | -53.5 | -44.7 |
| |
| Capital expenditures | -0.1 | -0.4 | -0.4 | -0.8 |
| Purchases of property and equipment | -0.1 | -0.4 | -0.4 | -0.8 |
| Acquisitions | | -5.4 | | |
| Sales of short-term investments, net [+] | 43.9 | 41.9 | 10.8 | -16.2 |
| Purchases of short-term investments | | | | -48.7 |
| Sales of short-term investments | 43.9 | 41.9 | 10.8 | 32.6 |
| Other cash from investing | 19.0 | -111.1 | 15.1 | 7.9 |
| Cash from investing | 62.7 | -74.9 | 25.5 | -9.0 |
| |
| Issuance of common stock, net | | 94.1 | | |
| Option exercises | | 0.5 | 0.3 | |
| Other cash from financing | -0.2 | 54.7 | 36.9 | |
| Cash from financing | -0.2 | 148.3 | 36.6 | 0.0 |
| |
| Free cash flow | -39.7 | -73.6 | -53.9 | -45.5 |
| Per share (diluted) | ($0.75) | ($1.42) | ($2.85) | ($3.45) |
| |
| Cash paid for interest | | | 0.0 | |
| Cash paid for income taxes | 0.6 | 0.3 | 0.3 | 0.0 |