| In millions, except per share items | Mar-31-23 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 | Mar-31-21 | Dec-31-20 |
| | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K |
| Net income | | -142.5 | -89.1 | -58.2 | -455.3 | -504.0 | -533.1 | -542.7 |
| Depreciation and amortization | | 24.2 | 22.6 | 21.1 | 19.3 | 17.2 | 15.6 | 14.0 |
| Stock-based compensation | | 115.2 | 105.8 | 96.0 | 83.3 | 71.2 | 58.1 | 48.6 |
| Change in working capital [+] | | -33.9 | -41.2 | -43.4 | -38.2 | -34.8 | -38.9 | -20.4 |
| Accounts receivable | | -17.2 | -19.1 | -34.0 | -42.4 | -36.3 | -26.6 | -17.8 |
| Inventories | | -27.0 | -25.3 | -30.1 | -26.1 | -22.3 | -19.1 | -14.6 |
| Other current assets | | -5.3 | -3.3 | -1.1 | -3.1 | -4.6 | -7.5 | -5.3 |
| Accounts payable | | 11.6 | 3.1 | 11.1 | 7.7 | 4.8 | 3.8 | -7.8 |
| Deferred revenues | | 1.9 | 1.1 | | 1.2 | 1.4 | 0.8 | |
| Other | | 2.1 | 2.4 | 9.5 | 24.4 | 22.4 | 9.7 | 24.2 |
| Other operating activities | | -21.2 | -36.2 | -36.8 | 233.7 | 263.7 | 279.0 | 282.6 |
| Cash from operations | | -58.2 | -38.1 | -21.4 | -157.4 | -186.8 | -219.4 | -217.9 |
| |
| Capital expenditures | | -103.2 | -90.5 | -101.3 | -95.0 | -75.3 | -67.5 | -36.7 |
| Purchases of property and equipment | | -103.2 | -90.5 | -101.3 | -95.0 | -75.3 | -67.5 | -36.7 |
| Purchases of intangible assets | | | | | | | | -1.7 |
| Acquisitions | | | | | | | -5.5 | |
| Purchases of short-term investments, net | | -229.7 | -229.4 | | | | | |
| Purchases of short-term investments | | -271.5 | -242.3 | | | | | |
| Sales of short-term investments | | 41.8 | 12.9 | | | | | |
| Cash from investing | | -332.9 | -320.0 | -106.7 | -101.4 | -82.5 | -74.6 | -38.4 |
| |
| Issuance of common stock, net | | | | | | | | 482.3 |
| Option exercises | | 29.8 | 39.6 | 40.3 | 39.9 | 37.1 | 29.0 | 23.7 |
| Financing costs | | | -5.4 | | | | -5.0 | -5.8 |
| Other cash from financing | | 48.7 | 68.4 | 70.6 | 69.8 | 64.2 | 48.0 | 4.5 |
| Cash from financing | | 24.4 | 34.2 | 35.3 | 34.1 | 514.4 | 506.2 | 468.9 |
| |
| Free cash flow | | -161.4 | -128.6 | -122.7 | -252.4 | -262.0 | -286.9 | -254.6 |
| Per share (diluted) | | ($1.44) | ($1.16) | ($1.12) | ($2.34) | ($2.49) | ($2.80) | ($2.56) |
| |
| Cash paid for interest | | | 0.8 | | | | 1.2 | |
| Cash paid for income taxes | | 4.1 | 4.7 | 8.7 | 8.4 | 8.0 | 7.0 | 0.3 |