| 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 | 8-K | 10-Q | 10-Q | 10-K | 10-Q |
| Net income | -4.0 | -24.1 | -29.0 | -26.0 | -4.9 | 9.7 | 7.2 | -5.5 |
| Depreciation and amortization | 10.6 | 10.3 | 9.8 | 9.3 | 8.1 | 7.4 | 6.9 | 6.2 |
| Stock-based compensation | 118.3 | 112.7 | 363.2 | | 82.4 | 66.9 | 56.4 | 44.0 |
| Change in working capital [+] | 4.8 | -8.3 | -167.7 | -4.0 | -18.9 | -34.4 | 10.7 | -29.3 |
| Accounts receivable | 31.4 | 28.8 | -52.0 | -45.6 | -30.8 | -7.3 | -45.2 | -37.0 |
| Other current assets | -1.0 | -15.8 | 4.7 | 1.3 | -4.2 | -8.4 | 0.2 | 1.6 |
| Accounts payable | 6.4 | 18.5 | -3.8 | -20.7 | 30.8 | -7.6 | -9.4 | 5.1 |
| Accrued expenses | -16.0 | -28.1 | | | -1.4 | -2.9 | 18.0 | 11.9 |
| Other | -15.9 | -11.8 | -116.7 | 61.0 | -13.3 | -8.2 | 47.0 | -10.9 |
| Other operating activities | 23.4 | 43.2 | -61.8 | 104.3 | 6.2 | 97.8 | 34.7 | 52.0 |
| Cash from operations | 153.2 | 133.8 | 114.4 | 83.6 | 73.0 | 147.4 | 115.8 | 67.4 |
| |
| Capital expenditures [+] | -11.4 | -17.5 | -18.1 | -16.5 | -12.8 | -17.5 | -9.1 | -10.3 |
| Purchases of property and equipment | -2.3 | -8.7 | -10.1 | -9.7 | -6.0 | -9.5 | -2.4 | -3.3 |
| Capitalized product costs | -9.1 | -8.7 | -8.0 | -6.8 | -6.8 | -8.0 | -6.7 | -7.0 |
| Acquisitions | -2.0 | | -45.9 | | -34.7 | -4.9 | -26.3 | 0.1 |
| Purchases of short-term investments, net | -96.6 | -238.8 | -65.5 | -8.4 | -72.0 | -128.0 | -110.6 | -21.5 |
| Purchases of short-term investments | -632.5 | -757.8 | -346.0 | -348.9 | -389.1 | -329.7 | -228.1 | -406.4 |
| Sales of short-term investments | 536.0 | 519.0 | 280.5 | 340.5 | 317.1 | 201.7 | 117.5 | 384.9 |
| Other cash from investing | | | 40.3 | -0.7 | | | | |
| Cash from investing | -110.0 | -256.2 | -89.1 | -25.7 | -119.5 | -150.4 | -146.0 | -31.7 |
| |
| Option exercises | 25.4 | 2.1 | 27.8 | 1.8 | 15.8 | 4.2 | 24.5 | -5.3 |
| Other cash from financing | 50.8 | 4.2 | 42.0 | 3.6 | 31.5 | 8.5 | 39.3 | -0.8 |
| Cash from financing | 25.4 | 2.1 | 14.2 | 1.8 | 15.8 | 4.2 | 14.7 | 4.5 |
| |
| Free cash flow | 150.8 | 125.0 | 104.4 | 73.9 | 67.0 | 137.9 | 113.4 | 64.1 |
| Per share (diluted) | $0.44 | $0.36 | $0.31 | $0.21 | $0.19 | $0.38 | $0.35 | $0.18 |