| In millions, except per share items | Dec-31-22 | Dec-05-22 | Dec-31-21 | Dec-05-21 | Dec-31-20 | Dec-05-20 | Dec-31-19 |
| | 10-K | 8-K | 10-K | 8-K | 10-K | 8-K | S-1 |
| Net income | -25.4 | -25.4 | 3.9 | 3.9 | -18.0 | -18.0 | -31.3 |
| Depreciation and amortization [+] | | | | | | | 1.4 |
| Depreciation | | | | | | | 1.4 |
| Asset impairment charges | | | | | | | 0.8 |
| Stock-based compensation | | | | | | | 0.9 |
| Change in working capital [+] | 4.5 | | 4.9 | | 0.5 | | -7.0 |
| Accounts receivable | | | | | | | -4.0 |
| Inventories | | | | | | | -2.2 |
| Other current assets | | | | | | | -1.6 |
| Other | 4.5 | | 4.9 | | 0.5 | | 0.7 |
| Other operating activities | -52.7 | | -54.4 | | 11.0 | | 4.7 |
| Cash from operations | -73.5 | | -45.7 | | -6.5 | | -30.7 |
| |
| Capital expenditures [+] | 11.4 | | 3.8 | | 0.6 | | -4.8 |
| Purchases of property and equipment | 11.4 | | 3.8 | | 0.6 | | -4.8 |
| Sales of property and equipment | | | | | 0.1 | | 0.1 |
| Acquisitions | 35.9 | | | | | | |
| Purchases of short-term investments | 43.5 | | | | | | |
| Purchases of short-term investments | 43.5 | | | | | | |
| Other cash from investing | -181.8 | | -7.6 | | -1.3 | | |
| Cash from investing | -90.9 | | -3.8 | | -0.5 | | -4.6 |
| |
| Repurchase of common stock, net | | | -45.0 | | -0.8 | | -0.6 |
| Option exercises | 2.2 | | 2.0 | | 1.1 | | 0.4 |
| Financing costs | | | | | | | 0.0 |
| Other cash from financing | 3.8 | | 326.3 | | 7.9 | | 82.2 |
| Cash from financing | 1.6 | | 279.4 | | 5.9 | | 81.2 |
| |
| Free cash flow | -62.1 | | -41.9 | | -5.8 | | -35.4 |
| Per share (diluted) | ($0.33) | | ($0.37) | | ($0.15) | | ($0.92) |
| |
| Cash paid for interest | | | | | | | 0.0 |
| Cash paid for income taxes | | | | | -0.1 | | 0.0 |