| In millions, except per share items | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 | Dec-31-11 | Dec-31-10 |
| Revenues | 161.3 | 152.3 | 135.9 | 138.0 | 133.1 | 128.7 | 123.2 | 91.2 |
| Revenue growth | 5.9% | 12.1% | -1.5% | 3.6% | 3.5% | 4.4% | 35.1% | 262.0% |
| Cost of goods sold | 89.8 | 86.4 | 82.6 | 79.1 | 74.6 | 73.4 | 73.6 | 70.7 |
| Gross profit | 71.5 | 65.9 | 53.3 | 58.8 | 58.5 | 55.3 | 49.6 | 20.5 |
| Gross margin | 44.4% | 43.3% | 39.2% | 42.7% | 44.0% | 43.0% | 40.3% | 22.4% |
| Selling, general and administrative | | | | | 1.5 | 1.6 | 1.7 | 0.5 |
| Research and development | 5.5 | 5.3 | 4.5 | 3.9 | 3.4 | 2.3 | 1.3 | |
| General and administrative | 1.2 | 1.4 | 1.5 | 1.5 | | | | |
| EBITA | 64.9 | 59.2 | 47.3 | 53.4 | 53.6 | 51.4 | 46.6 | 20.5 |
| EBITA margin | 40.2% | 38.9% | 34.8% | 38.7% | 40.3% | 40.0% | 37.9% | 22.4% |
| Amortization of intangibles | 0.6 | 0.6 | 0.6 | 0.6 | 0.7 | 0.7 | 0.5 | 0.5 |
| EBIT | 64.3 | 58.6 | 46.7 | 52.8 | 52.9 | 50.7 | 46.1 | 19.9 |
| EBIT margin | 39.8% | 38.5% | 34.4% | 38.3% | 39.8% | 39.4% | 37.4% | 21.9% |
| Pre-tax income | 53.4 | 47.1 | 35.7 | 43.8 | 42.2 | 37.5 | 27.4 | -12.1 |
| Income taxes | 20.5 | 12.2 | 9.6 | 15.0 | 13.9 | 13.3 | -5.8 | 10.2 |
| Tax rate | 38.4% | 25.9% | 26.9% | 34.3% | 33.0% | 35.4% | | |
| Earnings from continuing ops | 32.9 | 34.9 | 25.8 | 28.2 | 27.3 | 21.4 | 28.1 | -26.3 |
| Earnings from discontinued ops | | | -0.1 | 0.2 | -0.7 | 0.3 | 0.3 | -0.1 |
| Net income | 32.9 | 34.9 | 25.7 | 28.4 | 26.7 | 21.8 | 28.3 | -26.4 |
| Net margin | 20.4% | 22.9% | 18.9% | 20.6% | 20.0% | 16.9% | 23.0% | -28.9% |
| |
| Diluted EPS | $0.79 | $0.85 | $0.63 | $0.70 | $0.69 | $0.56 | $0.76 | ($0.72) |
| Shares outstanding (diluted) | 41.7 | 41.1 | 40.7 | 40.2 | 39.6 | 38.6 | 36.7 | 36.5 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |