Financial Summary (All financials)
| In millions, except per share items | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 |
| Revenues | 758.0 | 571.9 | 586.9 | 468.7 | 364.3 | 214.0 | 147.3 | 127.8 |
| Revenue growth | 32.5% | -2.6% | 25.2% | 28.7% | 70.3% | 45.3% | 15.2% | 10.5% |
| Cost of goods sold | 178.8 | 155.2 | 126.9 | 79.2 | 63.0 | 43.9 | 32.9 | 27.5 |
| Gross profit | 579.2 | 416.6 | 460.0 | 389.5 | 301.3 | 170.0 | 114.4 | 100.3 |
| Gross margin | 76.4% | 72.9% | 78.4% | 83.1% | 82.7% | 79.5% | 77.7% | 78.5% |
| Sales and marketing | 166.7 | 134.2 | 112.1 | 91.2 | 78.8 | 56.1 | 43.7 | 39.4 |
| Research and development | 95.6 | 78.0 | 56.6 | 46.2 | 35.2 | 20.7 | 13.3 | 11.0 |
| General and administrative | 118.7 | 110.8 | 97.0 | 88.6 | 67.1 | 42.4 | 25.1 | 15.8 |
| EBITA | 220.1 | 115.8 | 212.7 | 179.5 | 134.8 | 8.5 | 25.4 | 34.3 |
| EBITA margin | 29.0% | 20.2% | 36.2% | 38.3% | 37.0% | 4.0% | 17.3% | 26.9% |
| Amortization of intangibles | 21.9 | 22.2 | 18.3 | 16.0 | 14.6 | 3.8 | 1.6 | 0.2 |
| EBIT | 198.2 | 93.6 | 194.4 | 163.5 | 120.2 | 4.7 | 23.8 | 34.1 |
| EBIT margin | 26.1% | 16.4% | 33.1% | 34.9% | 33.0% | 2.2% | 16.2% | 26.7% |
| Pre-tax income | 196.6 | 90.7 | 190.9 | 160.2 | 117.0 | -5.6 | 24.2 | 34.6 |
| Income taxes | 18.0 | 31.5 | 22.3 | 9.6 | 41.7 | -1.4 | -12.7 | -9.6 |
| Tax rate | 9.1% | 34.7% | 11.7% | 6.0% | 35.7% | 24.6% | | |
| Net income | 178.7 | 59.2 | 168.6 | 150.6 | 75.2 | -4.2 | 36.9 | 44.2 |
| Net margin | 23.6% | 10.4% | 28.7% | 32.1% | 20.7% | -2.0% | 25.0% | 34.5% |
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| Diluted EPS | $9.37 | $3.33 | $8.99 | $8.19 | $4.12 | ($0.26) | $2.25 | $2.71 |
| Shares outstanding (diluted) | 19.1 | 17.8 | 18.8 | 18.4 | 18.3 | 16.4 | 16.4 | 16.3 |
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| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |
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