| 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 |
| Revenues: |
| Electricity | 631.7 | 585.8 | 541.4 | 540.3 | 509.9 | 465.6 | 436.3 | 375.9 |
| Product | 71.4 | 46.9 | 148.1 | 191.0 | 201.7 | 224.5 | 226.3 | 218.7 |
| Intersegment | 83.4 | 129.6 | 113.2 | 84.6 | 48.8 | 109.0 | 56.1 | 48.6 |
| Other | 31.0 | 30.4 | 15.8 | 14.7 | 7.6 | 2.7 | | |
| Total revenues | 734.2 | 663.1 | 705.3 | 746.0 | 719.3 | 692.8 | 662.6 | 594.6 |
| Revenue growth [+] | 10.7% | -6.0% | -5.5% | 3.7% | 3.8% | 4.6% | 11.4% | 6.3% |
| Electricity | 7.8% | 8.2% | 0.2% | 6.0% | 9.5% | 6.7% | 16.1% | -1.7% |
| Product | 52.2% | -68.3% | -22.5% | -5.3% | -10.1% | -0.8% | 3.5% | 23.4% |
| Intersegment | -35.6% | 14.5% | 33.8% | 73.3% | -55.2% | 94.5% | 15.5% | 8.6% |
| Other | 2.1% | 92.1% | 7.6% | 92.3% | 179.4% | | | |
| Cost of goods sold | 465.3 | 398.7 | 429.1 | 476.7 | 448.8 | 424.4 | 391.8 | 376.4 |
| Gross profit | 268.8 | 264.3 | 276.3 | 269.3 | 270.4 | 268.5 | 270.8 | 218.3 |
| Gross margin | 36.6% | 39.9% | 39.2% | 36.1% | 37.6% | 38.7% | 40.9% | 36.7% |
| Selling, general and administrative [+] | 77.5 | 91.1 | 77.6 | 70.9 | 67.6 | 58.5 | 63.1 | 50.9 |
| Sales and marketing | 16.2 | 15.2 | 17.4 | 15.0 | 19.8 | 15.6 | 16.4 | 16.1 |
| General and administrative | 61.3 | 75.9 | 60.2 | 55.8 | 47.8 | 42.9 | 46.7 | 34.8 |
| Research and development | 5.1 | 4.1 | 5.4 | 4.6 | 4.2 | 3.2 | 2.8 | 1.8 |
| Equity in earnings | -3.1 | -2.6 | 0.1 | 1.9 | 7.7 | -2.0 | -7.7 | -5.5 |
| Other operating expenses | 0.8 | -0.2 | -20.7 | | 0.1 | 1.8 | 3.0 | 1.6 |
| EBITDA [+] | 381.2 | 349.7 | 370.7 | 344.4 | 338.5 | 318.2 | 300.1 | 265.8 |
| EBITDA growth | 9.0% | -5.7% | 7.6% | 1.8% | 6.4% | 6.0% | 12.9% | 6.9% |
| EBITDA margin | 51.9% | 52.7% | 52.6% | 46.2% | 47.1% | 45.9% | 45.3% | 44.7% |
| Depreciation | 171.6 | 161.3 | 142.2 | 135.5 | 121.0 | 108.2 | 101.6 | 103.9 |
| EBITA | 209.6 | 188.4 | 228.5 | 208.9 | 217.4 | 210.0 | 198.5 | 161.9 |
| EBITA margin | 28.5% | 28.4% | 32.4% | 28.0% | 30.2% | 30.3% | 30.0% | 27.2% |
| Amortization of intangibles | 27.2 | 21.7 | 14.4 | 13.3 | 11.2 | 6.9 | 4.4 | 3.3 |
| EBIT [+] | 182.4 | 166.7 | 214.1 | 195.6 | 206.2 | 203.1 | 194.1 | 158.6 |
| EBIT growth | 9.4% | -22.1% | 9.4% | -5.1% | 1.6% | 4.6% | 22.4% | 7.2% |
| EBIT margin | 24.8% | 25.1% | 30.4% | 26.2% | 28.7% | 29.3% | 29.3% | 26.7% |
| Non-recurring items [+] | 32.6 | | | | 13.5 | | | |
| Asset impairment | 32.6 | | | | 13.5 | | | |
| Interest expense, net [+] | 84.3 | 80.5 | 76.2 | 78.9 | 70.0 | 53.2 | 66.4 | 72.3 |
| Interest expense | 87.7 | 82.7 | 78.0 | 80.4 | 70.9 | 54.1 | 67.4 | 72.6 |
| Interest income | 3.4 | 2.1 | 1.7 | 1.5 | 1.0 | 1.0 | 1.0 | 0.3 |
| Other income (expense), net [+] | 30.2 | 17.4 | 30.8 | 20.5 | 14.4 | 20.8 | 13.4 | 27.3 |
| Gain (loss) on sale of assets | 33.9 | 29.6 | 25.7 | 20.9 | 19.0 | 17.9 | 16.5 | 25.4 |
| Gain (loss) on foreign currency transactions | -6.0 | -14.7 | 3.8 | 0.6 | -4.8 | 2.7 | -5.5 | -1.6 |
| Other | -0.7 | -0.1 | 1.4 | 0.9 | 7.8 | -1.7 | -5.3 | -2.0 |
| Pre-tax income | 95.6 | 103.6 | 168.7 | 137.3 | 137.2 | 170.7 | 141.1 | 113.6 |
| Income taxes | 14.7 | 24.9 | 67.0 | 45.6 | 34.7 | 21.7 | 37.1 | -16.1 |
| Tax rate | 15.4% | 24.0% | 39.7% | 33.2% | 25.3% | 12.7% | 26.3% | |
| Minority interest | 12.0 | 14.0 | 16.4 | 5.4 | 12.1 | 14.7 | 7.6 | 3.8 |
| Net income | 65.8 | 62.1 | 85.5 | 88.1 | 98.0 | 132.4 | 88.7 | 120.4 |
| Net margin | 9.0% | 9.4% | 12.1% | 11.8% | 13.6% | 19.1% | 13.4% | 20.2% |
| |
| Basic EPS [+] | $1.17 | $1.11 | $1.66 | $1.73 | $1.93 | $2.64 | $1.79 | $2.48 |
| Growth | 5.9% | -33.1% | -4.3% | -10.5% | -26.8% | 47.4% | -27.7% | 108.2% |
| Diluted EPS [+] | $1.17 | $1.10 | $1.65 | $1.72 | $1.92 | $2.61 | $1.77 | $2.45 |
| Growth | 5.8% | -33.1% | -4.3% | -10.5% | -26.3% | 47.4% | -27.7% | 107.1% |
| |
| Dividends per share [+] | $0.48 | $0.48 | $0.44 | $0.44 | $0.53 | $0.44 | $0.52 | $0.26 |
| Growth | 0.0% | 9.1% | 0.0% | -17.0% | 20.5% | -15.4% | 100.0% | 23.8% |
| |
| Shares outstanding (basic) [+] | 56.1 | 56.0 | 51.6 | 50.9 | 50.6 | 50.1 | 49.5 | 48.6 |
| Growth | 0.1% | 8.6% | 1.4% | 0.4% | 1.1% | 1.3% | 1.9% | 6.7% |
| Shares outstanding (diluted) [+] | 56.5 | 56.4 | 51.9 | 51.2 | 51.0 | 50.8 | 50.1 | 49.2 |
| Growth | 0.2% | 8.6% | 1.4% | 0.5% | 0.4% | 1.3% | 1.9% | 7.3% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |