| In millions, except per share items | Dec-31-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 | Mar-31-21 | Dec-31-20 |
| | 8-K | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K |
| REVENUES: | | | | | | | | |
| Total revenues | 537.5 | 533.8 | 519.4 | 449.8 | 408.7 | 501.7 | 486.0 | 452.1 |
| Total revenues growth | 19.5% | 6.4% | 6.9% | -0.5% | -14.3% | 16.8% | -3.2% | -0.5% |
| OPERATING EXPENSES: | | | | | | | | |
| Cost of sales | 127.3 | 123.1 | 117.0 | 119.8 | 103.5 | 127.1 | 120.2 | 126.1 |
| Research and development | | 158.2 | 160.8 | 161.1 | 157.9 | 161.1 | 148.7 | 156.7 |
| Selling, general and administrative | 245.7 | 196.8 | 194.6 | 217.6 | 183.3 | 184.2 | 174.3 | 195.5 |
| Intangible asset amortization and contingent consideration | 16.3 | 16.5 | 17.6 | 17.3 | 17.2 | 17.7 | 17.7 | 18.6 |
| Gain on sale of nonfinancial assets, net | | | -108.0 | | | | | 6.7 |
| Total operating expenses | 689.3 | 494.6 | 382.0 | 515.7 | 462.0 | 490.0 | 460.9 | 503.6 |
| INCOME (LOSS) FROM OPERATIONS | -24.5 | 39.2 | 137.3 | -65.9 | -53.2 | 11.7 | 25.1 | -51.5 |
| Operating margin | -4.6% | 7.3% | 26.4% | -14.6% | -13.0% | 2.3% | 5.2% | -11.4% |
| Interest income | 8.7 | 2.5 | 1.8 | 1.7 | 1.8 | 4.5 | 2.4 | 3.1 |
| Interest expense | -3.6 | -3.9 | -3.8 | -3.8 | -3.9 | -3.8 | -3.8 | -4.7 |
| Other income (expense), net | | -2.9 | -1.2 | 0.1 | 8.9 | 1.8 | -0.5 | 5.3 |
| INCOME (LOSS) BEFORE INCOME TAXES | | 34.9 | 134.2 | -66.6 | -46.2 | 14.2 | 23.2 | -46.9 |
| Provision for (benefit from) income taxes | -17.3 | 7.2 | 13.4 | -8.7 | -9.7 | 1.2 | 5.9 | -63.9 |
| NET INCOME (LOSS) | -0.2 | 27.7 | 120.8 | -57.9 | -36.5 | 12.9 | 17.4 | 17.0 |
| |
| EARNINGS (LOSS) PER SHARE, BASIC (in dollars per share) | | $0.15 | $0.66 | ($0.32) | ($0.20) | $0.07 | $0.10 | $0.09 |
| EARNINGS (LOSS) PER SHARE, DILUTED (in dollars per share) | | $0.15 | $0.63 | ($0.32) | ($0.20) | $0.07 | $0.09 | $0.11 |
| |
| Weighted-average common shares outstanding, basic (in shares) | 186.0 | 185.3 | 184.0 | 182.9 | 183.2 | 182.8 | 181.8 | 180.8 |
| Weighted average common shares outstanding, diluted (in shares) | 186.0 | 187.4 | 194.9 | 182.9 | 183.2 | 185.4 | 184.4 | 191.7 |