| In millions, except per share items | Mar-31-23 | Dec-31-22 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 |
| | 10-Q | 10-Q | 10-Q | 8-K | 10-Q | 10-Q | 10-Q | 10-K |
| Net income | -12.7 | -32.8 | -6.5 | 13.5 | -34.9 | -24.9 | -17.5 | -10.7 |
| Depreciation and amortization | 3.3 | 3.5 | 3.6 | -11.6 | 3.7 | 3.8 | 4.1 | 4.2 |
| Asset impairment charges | | 12.3 | | | 18.3 | | | |
| Stock-based compensation | 1.4 | 1.7 | 2.1 | -5.8 | 2.1 | 1.9 | 1.9 | 1.7 |
| Deferred taxes | | | | -5.3 | 0.0 | 10.7 | -5.3 | -0.6 |
| Change in working capital [+] | 7.7 | -16.5 | -3.0 | -11.2 | -0.8 | 3.8 | 8.2 | 19.3 |
| Accounts receivable | 18.6 | -32.7 | 4.6 | -10.3 | -16.2 | 23.3 | 3.1 | 8.5 |
| Inventories | 0.0 | 0.4 | 1.6 | -0.4 | -0.6 | 0.0 | 1.0 | -1.1 |
| Accounts payable | -14.6 | 11.6 | -6.4 | -7.2 | 12.1 | -10.0 | 5.1 | 10.6 |
| Accrued expenses | 0.2 | -4.1 | -4.2 | 6.7 | 3.9 | -9.5 | -1.1 | -1.4 |
| Other | 3.5 | 8.4 | 1.4 | | | | | 2.8 |
| Other operating activities | 20.2 | 49.4 | -31.4 | 42.9 | -22.3 | 35.3 | -10.4 | -3.7 |
| Cash from operations | 20.0 | 17.6 | -35.2 | 22.5 | -33.9 | 30.5 | -19.2 | 10.2 |
| |
| Capital expenditures [+] | -3.4 | -1.3 | -1.6 | 1.3 | -0.8 | -0.4 | -0.2 | -0.5 |
| Purchases of property and equipment | -3.4 | -1.3 | -1.6 | 1.3 | -0.8 | -0.4 | -0.2 | -0.5 |
| Sales of property and equipment | 0.1 | 0.0 | 0.0 | | 1.1 | 0.0 | 0.1 | 0.3 |
| Other cash from investing | | | | -1.3 | | | | |
| Cash from investing | -3.3 | -1.2 | -1.6 | 0.1 | 0.4 | -0.3 | -0.1 | -0.2 |
| |
| Repurchase of common stock, net | | | | -0.2 | | 0.2 | | -0.1 |
| Option exercises | 0.1 | 0.1 | 0.1 | | 0.2 | 0.1 | 0.1 | 0.1 |
| Financing costs | | | | 1.1 | 0.0 | -0.1 | -0.9 | -0.4 |
| Other cash from financing | 0.1 | 0.1 | -0.2 | 3.1 | 0.1 | -0.1 | -2.7 | -0.3 |
| Cash from financing | 0.1 | 0.1 | -0.2 | 1.9 | -0.1 | 0.1 | -1.8 | -0.1 |
| |
| Free cash flow | 16.6 | 16.4 | -36.8 | 23.9 | -34.7 | 30.2 | -19.4 | 9.8 |
| Per share (diluted) | $0.61 | $0.61 | ($1.37) | $0.89 | ($1.29) | $1.13 | ($0.73) | $0.37 |
| |
| Cash paid for interest | 0.6 | 0.6 | 0.4 | | 0.7 | 0.2 | 1.6 | 0.4 |
| Cash paid for income taxes | -13.3 | | | 2.8 | -2.5 | -0.3 | | 0.3 |