| 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 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues | 92.2 | 82.7 | 81.9 | 84.7 | 79.1 | 75.9 | 70.6 | 65.7 |
| Revenue growth | 11.5% | 1.0% | -3.3% | 7.1% | 4.2% | 7.5% | 7.4% | 8.7% |
| Cost of goods sold | -16.8 | -25.5 | -17.3 | -4.3 | -5.3 | -9.8 | 8.9 | 6.0 |
| Gross profit | 109.0 | 108.2 | 99.2 | 89.1 | 84.4 | 85.8 | 61.7 | 59.7 |
| Gross margin | 118.2% | 130.8% | 121.1% | 105.1% | 106.7% | 113.0% | 87.3% | 90.8% |
| Selling, general and administrative [+] | 15.3 | 14.3 | 13.7 | 12.4 | 11.9 | 11.3 | 10.7 | 9.5 |
| General and administrative | 15.3 | 14.3 | 13.7 | 12.4 | 11.9 | 11.3 | 10.7 | 9.5 |
| Equity in earnings | 0.4 | 0.2 | 0.0 | 0.0 | 1.3 | 0.8 | 1.0 | 0.4 |
| Other operating expenses | 15.8 | 14.1 | 13.9 | 14.4 | 12.0 | 11.5 | -9.0 | 1.1 |
| EBITDA [+] | 78.3 | 80.0 | 71.6 | 62.2 | 61.8 | 63.8 | 60.9 | 49.4 |
| EBITDA growth | -2.1% | 11.7% | 15.1% | 0.7% | -3.1% | 4.6% | 23.3% | 6.3% |
| EBITDA margin | 84.9% | 96.7% | 87.4% | 73.4% | 78.1% | 84.0% | 86.3% | 75.3% |
| Depreciation | 23.8 | 22.8 | 23.0 | 18.0 | 17.0 | 16.0 | 14.6 | 16.4 |
| EBITA | 54.5 | 57.2 | 48.6 | 44.2 | 44.8 | 47.8 | 46.4 | 33.1 |
| EBITA margin | 59.2% | 69.1% | 59.4% | 52.2% | 56.6% | 62.9% | 65.7% | 50.3% |
| Amortization of intangibles | | | | 4.0 | 7.2 | 5.0 | 3.6 | |
| EBIT [+] | 54.5 | 57.2 | 48.6 | 40.2 | 37.6 | 42.8 | 42.8 | 33.1 |
| EBIT growth | -4.6% | 17.5% | 21.0% | 6.8% | -12.0% | 0.0% | 29.4% | 3.7% |
| EBIT margin | 59.2% | 69.1% | 59.4% | 47.4% | 47.6% | 56.4% | 60.6% | 50.3% |
| Non-recurring items [+] | | | 0.4 | | | 0.2 | | |
| Asset impairment | | | 0.4 | | | 0.2 | | |
| Interest expense | 17.6 | 17.9 | 19.3 | 19.8 | 17.9 | 17.6 | 17.3 | 16.0 |
| Interest expense | 17.6 | 17.9 | 19.3 | 19.8 | 17.9 | 17.6 | 17.3 | 16.0 |
| Other income (expense), net [+] | 5.3 | -0.2 | -1.5 | -1.8 | 1.8 | -0.8 | -1.0 | 4.9 |
| Amortization of financing costs and debt discount | -1.1 | -1.0 | -1.0 | -1.0 | -1.0 | -1.0 | -0.9 | -1.0 |
| Litigation settlement | 5.4 | | | | | | | |
| Gain (loss) on debt retirement | | -0.9 | -1.1 | -0.8 | | -0.2 | -0.6 | -0.6 |
| Gain (loss) on acquisitions / transactions | | | | | | | | 1.0 |
| Other non-operating income | 1.0 | 0.9 | 0.5 | 0.0 | 0.7 | 0.4 | 0.4 | 0.1 |
| Other | -1.0 | -0.9 | -0.5 | 0.0 | -0.7 | -0.4 | -0.4 | -0.1 |
| Pre-tax income | 42.3 | 39.0 | 27.4 | 18.5 | 21.6 | 24.2 | 24.5 | 21.9 |
| Income taxes | 0.1 | 0.2 | 0.0 | 0.5 | 0.9 | 0.1 | 0.1 | 1.4 |
| Tax rate | 0.2% | 0.5% | 0.0% | 2.9% | 4.2% | 0.4% | 0.2% | 6.3% |
| Minority interest | 0.1 | 0.2 | 0.0 | 0.5 | 0.9 | 0.1 | 0.1 | 1.4 |
| Net income | 42.2 | 38.9 | 27.4 | 18.0 | 20.7 | 24.1 | 24.4 | 20.5 |
| Net margin | 45.7% | 47.0% | 33.5% | 21.3% | 26.1% | 31.8% | 34.6% | 31.2% |
| |
| Basic EPS [+] | $2.07 | $1.93 | $1.40 | $0.94 | $1.11 | $1.35 | $1.46 | $1.28 |
| Growth | 7.1% | 38.1% | 48.4% | -15.2% | -17.3% | -7.6% | 13.4% | -9.5% |
| Diluted EPS [+] | $2.06 | $1.92 | $1.40 | $0.94 | $1.11 | $1.34 | $1.45 | $1.28 |
| Growth | 7.5% | 37.1% | 48.4% | -15.3% | -16.9% | -7.5% | 13.4% | -9.6% |
| |
| Dividends per share [+] | $1.80 | $1.80 | $1.46 | $1.80 | $1.80 | $1.74 | $1.66 | $1.58 |
| Growth | 0.0% | 23.3% | -18.9% | 0.0% | 3.4% | 4.8% | 5.1% | 5.3% |
| |
| Shares outstanding (basic) [+] | 20.4 | 20.1 | 19.6 | 19.1 | 18.6 | 17.9 | 16.8 | 16.0 |
| Growth | 1.4% | 2.6% | 2.5% | 2.8% | 3.5% | 7.0% | 5.0% | 2.6% |
| Shares outstanding (diluted) [+] | 20.5 | 20.3 | 19.6 | 19.1 | 18.6 | 18.0 | 16.9 | 16.1 |
| Growth | 0.9% | 3.4% | 2.5% | 2.9% | 3.0% | 6.9% | 5.0% | 2.7% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |