| In millions, except per share items | Jun-30-23 | Mar-31-23 | Dec-31-22 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Sep-30-21 | Jun-30-21 |
| | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-Q | 10-Q |
| Net income | -112.0 | -127.7 | -136.1 | | | | -173.2 | -154.8 |
| Depreciation and amortization | 3.8 | 3.8 | 3.7 | | | | | |
| Stock-based compensation | 12.9 | 15.4 | 19.0 | | | | | |
| Change in working capital [+] | -0.5 | 0.3 | -10.0 | | | | | |
| Other current assets | 5.9 | 6.4 | 2.7 | | | | -0.1 | -0.4 |
| Accounts payable | -4.9 | -5.5 | -5.4 | | | | | |
| Accrued expenses | 2.2 | 3.0 | | | | | | |
| Other | | | -3.6 | | | | | |
| Other operating activities | 8.7 | 12.2 | 5.3 | | | | | |
| Cash from operations | -87.0 | -95.9 | -118.2 | | | | | |
| |
| Capital expenditures | -0.8 | -1.6 | -2.3 | | | | | |
| Purchases of property and equipment | -0.8 | -1.6 | -2.3 | | | | | |
| Purchases of intangible assets | | | | | | | -7.5 | -2.0 |
| Purchases of short-term investments, net | 29.4 | 32.2 | 30.5 | | | | -23.9 | -159.1 |
| Purchases of short-term investments | -172.5 | -171.8 | -157.8 | | | | -169.9 | -267.4 |
| Sales of short-term investments | 201.9 | 204.0 | 188.3 | | | | 146.0 | 108.3 |
| Cash from investing | 27.1 | 29.1 | 25.2 | | | | | |
| |
| Option exercises | 0.2 | | 0.4 | | | | 0.7 | 0.7 |
| Other cash from financing | -0.7 | | -0.9 | | | | | |
| Cash from financing | -0.9 | -1.4 | -1.4 | | | | | |
| |
| Free cash flow | -87.8 | -97.5 | -120.5 | | | | | |
| Per share (diluted) | ($1.61) | ($1.79) | ($2.22) | | | | | |