| In millions, except per share items | Jun-30-23 | Jun-05-23 | Mar-31-23 | Mar-05-23 | Dec-31-22 | Sep-30-22 | Sep-05-22 | Jun-30-22 |
| | 10-Q | 8-K | 10-Q | 8-K | 10-K | 10-Q | 8-K | 10-Q |
| Net income | -71.7 | | -48.6 | | -25.4 | -11.4 | | 33.3 |
| Depreciation and amortization [+] | | | | | | -3.6 | | |
| Depreciation | | | | | | -3.6 | | |
| Asset impairment charges | 4.4 | | 0.4 | | | 0.4 | | 0.2 |
| Stock-based compensation | -4.3 | | -1.1 | | 0.0 | 4.2 | | 7.4 |
| Change in working capital [+] | 7.7 | | 6.9 | | 4.5 | -5.3 | | -5.5 |
| Accounts receivable | 2.9 | | -0.3 | | 0.0 | 4.5 | | 1.4 |
| Inventories | 5.6 | | -0.5 | | 0.0 | -7.3 | | -7.6 |
| Other current assets | 2.1 | | 1.3 | | 0.2 | -1.6 | | -0.3 |
| Other | -2.9 | | 6.3 | | 4.5 | -0.3 | | 2.4 |
| Other operating activities | 4.9 | | -23.7 | | -49.4 | -56.5 | | -105.4 |
| Cash from operations | -62.6 | | -69.8 | | -73.5 | -72.2 | | -70.9 |
| |
| Capital expenditures | 10.8 | | 10.6 | | 11.4 | 0.1 | | 3.3 |
| Purchases of property and equipment | 10.8 | | 10.6 | | 11.4 | 0.1 | | 3.3 |
| Acquisitions | | | | | 35.9 | -35.6 | | -2.0 |
| Purchases of short-term investments, net | 11.0 | | -16.5 | | | | | |
| Purchases of short-term investments | | | -19.0 | | | | | |
| Sales of short-term investments | 13.5 | | 2.5 | | | | | |
| Other cash from investing | | | | | -138.3 | | | |
| Cash from investing | -94.9 | | -108.2 | | -90.9 | -43.1 | | -6.3 |
| |
| Option exercises | 0.9 | | 1.8 | | 2.2 | 2.3 | | 3.0 |
| Other cash from financing | 1.1 | | 2.9 | | 3.8 | 562.4 | | 336.8 |
| Cash from financing | 0.2 | | 1.0 | | 1.6 | 560.1 | | 288.7 |
| |
| Free cash flow | -51.9 | | -59.2 | | -62.1 | -72.1 | | -67.6 |
| Per share (diluted) | ($0.27) | | ($0.31) | | ($0.33) | ($0.42) | | ($0.41) |
| |