| In millions, except per share items | Dec-31-22 | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 |
| Revenues | 290.1 | 362.0 | 337.6 | 264.3 | 223.5 | 216.4 | 535.1 | 423.5 |
| Revenue growth | -19.9% | 7.3% | 27.7% | 18.3% | 3.3% | -59.6% | 26.4% | 48.4% |
| Cost of goods sold | 140.1 | 155.8 | 172.1 | 151.5 | 129.1 | 118.8 | 333.9 | 265.5 |
| Gross profit | 150.0 | 206.2 | 165.4 | 112.8 | 94.4 | 97.6 | 201.2 | 158.0 |
| Gross margin | 51.7% | 57.0% | 49.0% | 42.7% | 42.2% | 45.1% | 37.6% | 37.3% |
| Selling, general and administrative | | | | | | | | |
| Research and development | 30.0 | 27.9 | 30.0 | 31.6 | 31.8 | 25.9 | 33.1 | 29.1 |
| General and administrative | 35.4 | 31.6 | 33.5 | 32.5 | 34.3 | 40.5 | 68.2 | 64.0 |
| EBITA | 85.6 | 147.9 | 103.3 | 50.3 | 29.9 | 31.3 | 102.3 | 60.4 |
| EBITA margin | 29.5% | 40.8% | 30.6% | 19.0% | 13.4% | 14.4% | 19.1% | 14.3% |
| Amortization of intangibles | 1.0 | 1.2 | 1.4 | 1.6 | 1.6 | 1.7 | 2.2 | 1.9 |
| EBIT | 84.7 | 146.7 | 101.9 | 48.7 | 28.3 | 29.5 | 100.2 | 58.4 |
| EBIT margin | 29.2% | 40.5% | 30.2% | 18.4% | 12.6% | 13.7% | 18.7% | 13.8% |
| Pre-tax income | 84.7 | 146.7 | 101.9 | 48.7 | 28.3 | 25.8 | 90.8 | 56.9 |
| Income taxes | 18.1 | 31.3 | 21.9 | 8.0 | 2.0 | -16.9 | 32.6 | 15.6 |
| Tax rate | 21.4% | 21.3% | 21.5% | 16.4% | 7.2% | | 35.9% | 27.4% |
| Earnings from continuing ops | 66.5 | 115.4 | 80.0 | 63.9 | 12.4 | 16.4 | 58.2 | 41.3 |
| Earnings from discontinued ops | | | | -23.2 | 13.8 | 26.3 | | |
| Net income | 66.5 | 115.4 | 80.0 | 40.7 | 26.2 | 42.7 | 58.2 | 41.3 |
| Net margin | 22.9% | 31.9% | 23.7% | 15.4% | 11.7% | 19.7% | 10.9% | 9.8% |
| |
| Diluted EPS | $3.49 | $5.46 | $3.47 | $2.48 | $0.46 | $0.60 | $2.34 | $1.96 |
| Shares outstanding (diluted) | 19.0 | 21.1 | 23.1 | 25.8 | 27.2 | 27.1 | 24.8 | 21.1 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |