| In millions, except per share items | Dec-31-22 | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 |
| | 8-K | 10-K | 10-K | 10-K | S-1 |
| Net income | -8.6 | -188.2 | 31.2 | 8.2 | -3.0 |
| Depreciation and amortization [+] | 7.9 | 2.5 | 1.8 | 1.4 | 1.1 |
| Depreciation | 4.6 | 1.2 | 1.2 | 0.8 | 0.4 |
| Amortization of intangible assets | 3.4 | 1.3 | 0.6 | 0.6 | 0.6 |
| Stock-based compensation | 67.4 | 253.5 | 0.5 | 0.2 | 1.9 |
| Deferred taxes | -7.0 | -28.4 | -7.8 | 0.7 | -0.3 |
| Change in working capital [+] | -73.0 | -20.2 | -26.1 | -1.5 | 9.2 |
| Accounts receivable | -72.2 | -14.6 | -21.8 | -6.2 | 0.3 |
| Other current assets | -5.7 | -1.3 | -1.0 | -0.2 | 3.3 |
| Accounts payable | | | | | -1.0 |
| Accrued expenses | | | | | 5.7 |
| Other | 4.9 | -4.3 | -3.3 | 4.8 | 0.8 |
| Other operating activities | 60.5 | 35.9 | 39.2 | 15.3 | -3.7 |
| Cash from operations | 47.2 | 55.1 | 38.9 | 24.4 | 5.2 |
| |
| Capital expenditures | -0.1 | -0.5 | -0.4 | -5.7 | -0.2 |
| Purchases of property and equipment | -0.1 | -0.5 | -0.4 | -5.7 | -0.2 |
| Acquisitions | | -32.2 | | | |
| Other cash from investing | | | | | 0.1 |
| Cash from investing | -0.1 | -32.8 | -0.4 | -5.7 | -0.2 |
| |
| Issuance of common stock, net | | 223.7 | | | |
| Option exercises | | 3.8 | 0.1 | | 0.1 |
| Financing costs | | -0.3 | | -0.6 | |
| Other cash from financing | -19.7 | -6.5 | -0.7 | -11.5 | 15.5 |
| Cash from financing | -19.7 | 213.7 | -0.8 | -10.9 | 15.4 |
| |
| Free cash flow | 47.1 | 54.5 | 38.5 | 18.6 | 5.0 |
| Per share (diluted) | $0.43 | $0.53 | $0.40 | $0.19 | $0.05 |
| |
| Cash paid for interest | 0.7 | 0.9 | 1.9 | 9.2 | 3.7 |
| Cash paid for income taxes | 0.3 | 0.5 | 0.4 | 0.3 | 0.0 |