| In millions, except per share items | Dec-31-22 | Sep-30-22 | Sep-05-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Sep-05-21 |
| | 10-Q | 10-K | 8-K | 10-Q | 10-Q | 10-Q | 10-K | 8-K |
| Net income | -7.8 | -14.7 | 0.0 | -5.7 | -4.1 | -2.8 | -0.3 | 0.0 |
| Depreciation and amortization | 2.1 | 2.2 | | 2.2 | 2.3 | 2.4 | 2.4 | |
| Stock-based compensation | | -5.2 | | 1.8 | 1.7 | | -4.3 | |
| Deferred taxes | | 3.0 | | | -0.9 | | -0.9 | |
| Change in working capital [+] | | 18.5 | | | 1.5 | | 0.6 | |
| Inventories | | 4.2 | | | -1.1 | | 0.3 | |
| Other current assets | | 2.0 | | | -0.5 | | 0.1 | |
| Accounts payable | | -0.3 | | | 0.3 | | 0.0 | |
| Accrued expenses | | 1.0 | | | 3.2 | | 0.4 | |
| Income taxes | | 11.7 | | | -0.4 | | -0.3 | |
| Other operating activities | -5.1 | -6.3 | | 5.7 | -4.7 | -6.6 | 3.4 | |
| Cash from operations | -10.8 | -2.5 | | 4.0 | -4.2 | -7.0 | 0.9 | |
| |
| Capital expenditures | 1.0 | 6.1 | | 0.0 | -1.2 | 0.8 | 7.8 | |
| Purchases of property and equipment | 1.0 | 6.1 | | | -1.2 | 0.8 | 7.8 | |
| Purchases of intangible assets | | | | | | | 1.0 | |
| Acquisitions | | | | | | | 39.6 | |
| Purchases of short-term investments, net | | 2.0 | | | 3.6 | 4.0 | 45.5 | |
| Purchases of short-term investments | | | | | | | 45.5 | |
| Sales of short-term investments | | 2.0 | | | 3.6 | 4.0 | | |
| Other cash from investing | -2.0 | -6.7 | | | 0.0 | -1.6 | -135.8 | |
| Cash from investing | -1.0 | 1.4 | | 0.0 | 2.4 | 3.2 | -41.9 | |
| |
| Issuance of common stock, net | 0.3 | 0.5 | | | 0.5 | 0.2 | 0.5 | |
| Financing costs | 0.4 | | | | | | | |
| Other cash from financing | 18.8 | -0.2 | | | -0.5 | -0.9 | 9.5 | |
| Cash from financing | 18.8 | 0.3 | | 0.0 | 0.0 | -0.6 | 10.0 | |
| |
| Free cash flow | -9.8 | 3.6 | | 4.0 | -5.4 | -6.2 | 8.7 | |
| Per share (diluted) | ($0.70) | $0.26 | | $0.29 | ($0.39) | ($0.45) | $0.62 | |
| |
| Cash paid for income taxes | 0.0 | 0.0 | | | 0.4 | 0.0 | 0.1 | |