Financial Summary (All financials)
| In millions, except per share items | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 | Dec-31-11 |
| Revenues | 455.9 | 392.5 | 629.8 | 724.7 | 561.6 | 525.7 | 421.1 | 236.0 |
| Revenue growth | 16.2% | -37.7% | -13.1% | 29.0% | 6.8% | 24.9% | 78.4% | -26.1% |
| Cost of goods sold | 326.0 | 261.8 | 409.6 | 499.0 | 377.2 | 341.4 | 269.9 | 141.7 |
| Gross profit | 130.0 | 130.7 | 220.2 | 225.7 | 184.4 | 184.3 | 151.2 | 94.4 |
| Gross margin | 28.5% | 33.3% | 35.0% | 31.1% | 32.8% | 35.1% | 35.9% | 40.0% |
| Sales and marketing | 63.2 | 59.9 | 64.9 | 60.2 | 57.8 | 51.3 | 37.2 | 26.1 |
| Research and development | 115.2 | 98.8 | 112.1 | 96.6 | 94.0 | 87.7 | 64.3 | 49.5 |
| General and administrative | 25.4 | 29.1 | 34.1 | 28.0 | 23.4 | 23.6 | 20.7 | 15.8 |
| EBIT | -73.8 | -57.1 | 9.1 | 41.0 | 9.2 | 21.7 | 168.1 | 2.9 |
| EBIT margin | -16.2% | -14.5% | 1.5% | 5.7% | 1.6% | 4.1% | 39.9% | 1.2% |
| Pre-tax income | -70.3 | -52.9 | 9.9 | 42.8 | 9.7 | 21.0 | 168.7 | 0.1 |
| Income taxes | 1.4 | 80.9 | -0.7 | 15.2 | -52.6 | -11.2 | 7.5 | -14.2 |
| Tax rate | | | | 35.6% | | | 4.4% | |
| Net income | -71.7 | -133.8 | 10.6 | 27.5 | 62.3 | 32.2 | 161.2 | 14.3 |
| Net margin | -15.7% | -34.1% | 1.7% | 3.8% | 11.1% | 6.1% | 38.3% | 6.1% |
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| Diluted EPS | ($1.76) | ($3.33) | $0.26 | $0.68 | $1.54 | $0.81 | $4.27 | $0.40 |
| Shares outstanding (diluted) | 40.7 | 40.1 | 41.0 | 40.7 | 40.4 | 39.8 | 37.8 | 36.1 |
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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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