| 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 | 8-K | 8-K | 8-K | 10-Q | 10-Q | 10-K | 10-Q |
| Net income | -2.6 | 0.0 | -4.2 | -4.5 | -6.8 | -6.5 | -9.4 | -14.2 |
| Depreciation and amortization | 19.1 | | | | 19.3 | 19.4 | 22.0 | 18.7 |
| Stock-based compensation | | | | | 0.4 | 0.1 | 0.1 | 0.5 |
| Deferred taxes | | | | | 0.0 | 0.0 | -1.8 | 0.2 |
| Change in working capital [+] | | | | | -21.9 | -3.2 | -16.7 | 32.0 |
| Accounts receivable | | | | | -5.4 | -11.8 | -2.1 | 3.9 |
| Inventories | | | | | -6.2 | -7.7 | -2.1 | -1.5 |
| Other | | | | | -10.3 | 16.3 | -12.5 | 29.5 |
| Other operating activities | -19.1 | | | | -1.3 | 2.1 | 10.0 | -14.3 |
| Cash from operations | -2.6 | | | | -10.2 | 11.8 | 4.3 | 22.9 |
| |
| Capital expenditures [+] | 0.0 | | | | -11.8 | -9.2 | -26.1 | -7.0 |
| Purchases of property and equipment | | | | | -11.8 | -9.2 | -26.1 | -7.0 |
| Sales of property and equipment | | | | | | 3.3 | 0.9 | 0.1 |
| Acquisitions | | | | | | | | -0.4 |
| Other cash from investing | | | | | | | 1.3 | 0.4 |
| Cash from investing | 0.0 | | | | -11.8 | -5.9 | -24.0 | -7.0 |
| |
| Cash dividends paid | | | | | | | -8.2 | |
| Other cash from financing | | | | | 13.1 | 4.9 | 11.0 | -0.8 |
| Cash from financing | 0.0 | | | | 13.1 | 4.9 | 2.8 | -0.8 |
| |
| Free cash flow | -2.6 | | | | -22.0 | 2.6 | -21.8 | 15.9 |
| Per share (diluted) | ($0.02) | | | | ($0.16) | $0.02 | ($0.36) | $0.33 |
| |
| Cash paid for interest | | | | | 23.6 | 0.0 | 22.7 | 2.9 |
| Cash paid for income taxes | | | | | 2.0 | 2.2 | 1.8 | 0.5 |