| In millions, except per share items | Jun-30-23 | Mar-31-23 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 | Mar-31-21 |
| | 10-Q | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q |
| Net income | -0.2 | -0.2 | 0.3 | 0.4 | 0.5 | 0.2 | 0.4 | 0.4 |
| Depreciation and amortization [+] | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
| Depreciation | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 0.3 |
| Amortization of intangible assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Asset impairment charges | | | | | | 0.3 | | |
| Stock-based compensation | 0.1 | 0.1 | 0.0 | | 0.0 | 0.0 | 0.0 | 0.0 |
| Deferred taxes | -0.1 | -0.1 | -0.6 | -0.4 | -0.1 | 0.1 | 0.1 | 0.1 |
| Change in working capital | 0.0 | 0.0 | 0.1 | 0.0 | 0.1 | 0.0 | 0.0 | -0.1 |
| Other | 0.0 | 0.0 | 0.1 | 0.0 | 0.1 | 0.0 | 0.0 | -0.1 |
| Other operating activities | 3.0 | -0.5 | 1.9 | -0.8 | 1.2 | -1.5 | 1.4 | -0.6 |
| Cash from operations | 3.0 | -0.4 | 2.1 | -0.6 | 2.0 | -0.7 | 2.2 | 0.0 |
| |
| Capital expenditures [+] | 0.0 | -0.1 | -0.1 | -0.1 | -0.1 | -0.2 | -0.1 | -0.2 |
| Purchases of property and equipment | 0.0 | -0.1 | -0.1 | -0.1 | -0.1 | -0.2 | -0.1 | -0.2 |
| Sales of property and equipment | | 0.0 | | | 0.5 | 0.0 | 0.1 | |
| Purchases of short-term investments, net | 1.9 | 0.2 | 0.0 | -1.4 | -0.7 | -1.1 | -3.4 | -14.9 |
| Purchases of short-term investments | 0.0 | -0.8 | -0.3 | -2.3 | -1.8 | -2.3 | -7.2 | -15.7 |
| Sales of short-term investments | 2.0 | 1.1 | 0.3 | 0.8 | 1.1 | 1.3 | 3.9 | 0.9 |
| Other cash from investing | -10.4 | -4.7 | -6.5 | 3.7 | 8.7 | 0.0 | -4.9 | 3.3 |
| Cash from investing | -8.4 | -4.6 | -6.7 | 2.2 | 8.4 | -1.2 | -8.2 | -11.7 |
| |
| Repurchase of common stock, net | -0.3 | -0.1 | -0.9 | | | | | |
| Other cash from financing | 5.0 | 3.1 | -5.2 | 1.1 | -1.6 | -1.2 | -3.7 | 9.9 |
| Cash from financing | 4.6 | 3.0 | -6.1 | 1.1 | -1.6 | -1.2 | -3.7 | 9.9 |
| |
| Free cash flow | 3.0 | -0.5 | 1.9 | -0.7 | 1.9 | -0.9 | 2.1 | -0.2 |
| Per share (diluted) | $1.34 | ($0.23) | $0.83 | ($0.28) | $0.82 | ($0.38) | $0.91 | ($0.08) |
| |
| Cash paid for interest | 1.5 | 1.2 | 0.4 | 0.3 | 0.4 | 0.4 | 0.4 | 0.6 |