| In millions, except per share items | Dec-31-21 | Sep-30-21 | Jun-30-21 | Mar-31-21 | Dec-31-20 | Sep-30-20 | Jun-30-20 | Mar-31-20 |
| | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q |
| Net income | -0.5 | 7.8 | -3.1 | 18.0 | -10.8 | -3.5 | -9.7 | -0.4 |
| Change in working capital [+] | 2.2 | 0.4 | | -0.1 | 0.1 | -0.2 | 0.2 | 0.3 |
| Other current assets | | 0.1 | | -0.1 | | 0.0 | 0.0 | 0.0 |
| Other | 2.2 | 0.3 | | 0.0 | 0.1 | -0.2 | 0.1 | 0.3 |
| Other operating activities | -2.5 | -8.3 | | -18.3 | 10.6 | 3.4 | 9.4 | 0.0 |
| Cash from operations | -0.8 | -0.2 | -3.1 | -0.4 | -0.2 | -0.3 | -0.1 | -0.1 |
| |
| Capital expenditures | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Sales of short-term investments, net [+] | 113.3 | | | | 0.0 | 0.0 | 0.1 | 0.1 |
| Purchases of short-term investments | -1.2 | | | | | | | |
| Sales of short-term investments | 114.5 | | | | 0.0 | 0.0 | 0.1 | 0.1 |
| Other cash from investing | | | | | | | -0.1 | |
| Cash from investing | 113.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 |
| |
| Repurchase of common stock, net | -114.5 | | | | | | | |
| Other cash from financing | 1.8 | | | | | | | |
| Cash from financing | -112.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| |
| Free cash flow | -0.8 | -0.2 | -3.1 | -0.4 | -0.2 | -0.3 | -0.1 | -0.1 |
| Per share (diluted) | ($0.02) | $0.00 | ($0.08) | ($0.01) | $0.00 | ($0.01) | $0.00 | $0.00 |
| |
| Cash paid for income taxes | | -0.3 | | | | | | |