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 | 606.8 | 572.7 | 544.4 | 481.8 | 400.4 | 333.3 | 272.4 | 234.8 |
| Revenue growth | 6.0% | 5.2% | 13.0% | 20.3% | 20.1% | 22.3% | 16.0% | 13.5% |
| Cost of goods sold | 193.9 | 180.2 | 171.6 | 171.9 | 144.2 | 123.0 | 82.7 | 72.7 |
| Gross profit | 413.0 | 392.6 | 372.8 | 310.0 | 256.1 | 210.3 | 189.7 | 162.1 |
| Gross margin | 68.1% | 68.5% | 68.5% | 64.3% | 64.0% | 63.1% | 69.6% | 69.0% |
| Selling, general and administrative | | | | | | | | |
| Sales and marketing | 23.7 | 22.4 | 21.0 | 18.2 | 17.5 | 15.9 | 14.6 | 14.4 |
| General and administrative | 44.0 | 43.8 | 40.1 | 37.5 | 35.4 | 34.2 | 48.2 | 27.3 |
| EBIT | 139.8 | 140.8 | 142.3 | 125.0 | 94.6 | 64.5 | 46.2 | 34.7 |
| EBIT margin | 23.0% | 24.6% | 26.1% | 25.9% | 23.6% | 19.3% | 17.0% | 14.8% |
| Pre-tax income | 94.7 | 99.1 | 106.8 | 100.7 | 82.0 | 57.0 | 40.1 | 32.0 |
| Income taxes | 0.1 | 0.1 | 0.0 | 0.2 | 0.1 | 0.2 | 0.0 | 0.4 |
| Tax rate | 0.1% | 0.1% | | 0.2% | 0.1% | 0.3% | 0.1% | 1.3% |
| Net income | 79.3 | 75.8 | 77.9 | 62.6 | 50.4 | 26.4 | 14.4 | 10.5 |
| Net margin | 13.1% | 13.2% | 14.3% | 13.0% | 12.6% | 7.9% | 5.3% | 4.5% |
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| Diluted EPS | $1.95 | $2.05 | $2.22 | $1.84 | $1.54 | $1.03 | $0.66 | $0.49 |
| Shares outstanding (diluted) | 40.6 | 36.9 | 35.1 | 34.1 | 32.7 | 25.7 | 21.7 | 21.5 |
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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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