| 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/A |
| Total revenues | 252.6 | 280.6 | 291.7 | 308.7 | 325.8 | 402.4 | 426.3 | 372.6 |
| Revenue growth | -10.0% | -3.8% | -5.5% | -5.2% | -19.0% | -5.6% | 14.4% | 21.2% |
| Cost of goods sold | 91.7 | 109.1 | 121.8 | 150.4 | 158.8 | 181.5 | 194.7 | 154.8 |
| Gross profit | 160.9 | 171.6 | 169.9 | 158.3 | 167.0 | 220.9 | 231.6 | 217.8 |
| Gross margin | 63.7% | 61.1% | 58.2% | 51.3% | 51.3% | 54.9% | 54.3% | 58.4% |
| Selling, general and administrative | 70.3 | 85.0 | 89.3 | 112.8 | 122.1 | 154.0 | 126.2 | 84.6 |
| Research and development | 55.6 | 64.3 | 77.0 | 75.6 | 79.2 | 90.9 | 114.5 | 92.8 |
| Equity in earnings | | | | -1.6 | -28.6 | -9.1 | | |
| EBITDA [+] | 35.0 | 20.9 | 2.5 | -31.6 | -83.4 | -34.1 | -20.2 | 40.4 |
| EBITDA growth | 67.1% | 735.6% | -107.9% | -62.1% | 144.9% | 68.9% | -149.9% | -22.9% |
| EBITDA margin | 13.8% | 7.5% | 0.9% | -10.2% | -25.6% | -8.5% | -4.7% | 10.8% |
| Depreciation | 3.7 | 6.5 | 15.7 | 43.5 | 55.8 | 57.0 | 51.8 | 42.7 |
| EBITA | 31.3 | 14.5 | -13.2 | -75.2 | -139.2 | -91.1 | -72.0 | -2.4 |
| EBITA margin | 12.4% | 5.2% | -4.5% | -24.3% | -42.7% | -22.6% | -16.9% | -0.6% |
| Amortization of intangibles | 28.1 | 28.3 | 27.0 | 33.5 | 41.3 | 36.9 | 43.1 | 28.3 |
| EBIT [+] | 3.2 | -13.8 | -40.2 | -108.7 | -180.5 | -128.0 | -115.1 | -30.7 |
| EBIT growth | -123.3% | -65.6% | -63.0% | -39.8% | 41.0% | 11.2% | 275.4% | 765.6% |
| EBIT margin | 1.3% | -4.9% | -13.8% | -35.2% | -55.4% | -31.8% | -27.0% | -8.2% |
| Non-recurring items [+] | 1.9 | 5.2 | 8.0 | 0.8 | 12.4 | 10.7 | 7.5 | 6.5 |
| Loss on contingent liability | | | | | | | 1.2 | 1.5 |
| Interest expense, net [+] | 13.2 | 6.4 | -1.1 | 0.1 | -3.8 | 42.3 | 5.5 | 2.7 |
| Interest expense | 13.6 | 6.4 | 0.5 | 1.4 | 3.9 | 54.8 | 7.4 | 4.8 |
| Interest income | 0.5 | 0.0 | 1.6 | 1.3 | 7.8 | 12.5 | 1.9 | 2.0 |
| Other income (expense), net [+] | 6.0 | -4.9 | 9.5 | 8.2 | -74.1 | -48.1 | 1.0 | -0.3 |
| Gain (loss) on sale of business | 2.5 | | | | | | | |
| Gain (loss) on debt retirement | | | | 0.8 | 1.8 | -29.4 | | |
| Other | 3.4 | -4.9 | 9.5 | 7.4 | -74.9 | -17.7 | 1.0 | 0.6 |
| Pre-tax income | -5.9 | -30.3 | -37.5 | -101.3 | -263.2 | -229.1 | -127.1 | -40.2 |
| Income taxes | 1.9 | -7.2 | -27.1 | 2.2 | -17.9 | -34.9 | -33.2 | -2.4 |
| Tax rate | | 23.7% | 72.4% | | 6.8% | 15.2% | 26.1% | 5.9% |
| Minority interest | -0.2 | 0.2 | -0.3 | -1.1 | 8.8 | -9.3 | -15.2 | -0.6 |
| Earnings from continuing ops | -17.5 | -58.5 | -48.7 | -136.7 | -262.0 | -184.9 | -172.5 | -74.9 |
| Earnings from discontinued ops | | | | | 18.3 | 75.5 | 90.6 | 40.3 |
| Net income | -17.5 | -58.5 | -48.7 | -136.7 | -243.7 | -109.4 | -82.0 | -34.7 |
| Net margin | -6.9% | -20.8% | -16.7% | -44.3% | -74.8% | -27.2% | -19.2% | -9.3% |
| |
| Basic EPS [+] | ($0.20) | ($0.90) | ($1.16) | ($3.36) | ($6.51) | ($4.14) | ($3.96) | ($1.77) |
| Growth | -77.6% | -22.2% | -65.5% | -48.4% | 57.1% | 4.5% | 123.5% | 3440.7% |
| Diluted EPS [+] | ($0.20) | ($0.90) | ($1.16) | ($3.36) | ($6.51) | ($4.14) | ($3.96) | ($1.77) |
| Growth | -77.6% | -22.2% | -65.5% | -48.4% | 57.1% | 4.5% | 123.5% | 3440.7% |
| |
| Shares outstanding (basic) [+] | 86.2 | 64.7 | 42.0 | 40.7 | 40.3 | 44.7 | 43.6 | 42.3 |
| Growth | 33.2% | 54.3% | 3.1% | 1.0% | -9.8% | 2.6% | 3.0% | 4.6% |
| Shares outstanding (diluted) [+] | 86.2 | 64.7 | 42.0 | 40.7 | 40.3 | 44.7 | 43.6 | 42.3 |
| Growth | 33.2% | 54.3% | 3.1% | 1.0% | -9.8% | 2.6% | 3.0% | 4.6% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |