| In millions, except per share items | Jun-30-23 | Mar-31-23 | Dec-31-22 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 |
| | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q |
| Net income | -9.9 | 21.1 | 14.9 | 15.8 | -3.1 | -12.4 | 22.3 | 9.2 |
| Depreciation and amortization [+] | 2.6 | 2.6 | 2.6 | 2.6 | 2.7 | 2.6 | 2.6 | 2.7 |
| Depreciation | 2.6 | 2.6 | 2.6 | 2.6 | 2.7 | 2.6 | 2.6 | 2.7 |
| Stock-based compensation | | | | 0.0 | | | | |
| Deferred taxes | 0.0 | 0.0 | -1.6 | 1.4 | -1.0 | -0.7 | 1.7 | -3.3 |
| Change in working capital [+] | -5.1 | -41.6 | -11.6 | 27.5 | 8.0 | -0.4 | 0.3 | 12.3 |
| Accounts receivable | -2.6 | 0.3 | -2.5 | 13.8 | -19.4 | 11.3 | -2.8 | 4.9 |
| Inventories | 1.9 | -42.5 | -9.4 | 14.2 | 6.0 | -10.7 | 16.8 | 9.8 |
| Accounts payable | -6.7 | 0.4 | 4.5 | -9.9 | 19.9 | -0.7 | -11.3 | -9.7 |
| Accrued expenses | 0.6 | -0.3 | -1.0 | 0.7 | 0.3 | -0.9 | 1.3 | -0.4 |
| Other | 1.7 | 0.5 | -3.3 | 8.7 | 1.2 | 0.7 | -3.6 | 7.7 |
| Other operating activities | 7.9 | -11.8 | 3.9 | -1.2 | 2.1 | 0.4 | -2.7 | 1.3 |
| Cash from operations | -4.5 | -29.8 | 8.3 | 46.0 | 8.7 | -10.6 | 24.3 | 22.2 |
| |
| Capital expenditures [+] | -1.4 | -2.5 | -1.1 | -1.8 | -0.9 | -1.0 | -0.8 | -0.2 |
| Purchases of property and equipment | -1.4 | -2.5 | -1.1 | -1.8 | -0.9 | -1.0 | -0.8 | -0.2 |
| Sales of property and equipment | | | | 0.0 | | 0.1 | | |
| Sales of short-term investments, net [+] | 37.7 | | 1.0 | 0.0 | | 0.3 | -1.9 | 0.3 |
| Purchases of short-term investments | | | | | | | -1.9 | -2.5 |
| Sales of short-term investments | 37.7 | | 1.0 | 0.0 | | 0.3 | | 2.8 |
| Other cash from investing | -7.5 | 4.3 | -1.3 | 0.5 | 3.0 | -2.7 | 1.8 | -0.5 |
| Cash from investing | 28.8 | 1.9 | -1.3 | -1.3 | 2.1 | -3.3 | -0.9 | -0.4 |
| |
| Cash dividends paid | -2.6 | -2.6 | -2.6 | -2.6 | -2.6 | -2.6 | -2.6 | -2.6 |
| Financing costs | | 0.0 | | | | | | |
| Other cash from financing | | 0.0 | | | | | 0.0 | |
| Cash from financing | -2.6 | -2.6 | -2.6 | -2.6 | -2.6 | -2.6 | -2.6 | -2.6 |
| |
| Free cash flow | -6.0 | -32.3 | 7.2 | 44.2 | 7.7 | -11.6 | 23.5 | 22.0 |
| Per share (diluted) | ($0.14) | ($0.74) | $0.17 | $1.01 | $0.18 | ($0.26) | $0.54 | $0.50 |
| |
| Cash paid for interest | | | | | | | 0.0 | |