| In millions, except per share items | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues: |
| Dredging | 726.1 | 733.6 | 711.5 | 620.8 | 592.2 | | 681.3 | 697.7 |
| Type of Customer | 726.1 | 733.6 | 711.5 | 620.8 | 592.2 | | | |
| Other | | | | | | | 175.6 | 109.1 |
| Total revenues | 726.1 | 733.6 | 711.5 | 620.8 | 592.2 | 637.5 | 856.9 | 806.8 |
| Revenue growth [+] | -1.0% | 3.1% | 14.6% | 4.8% | -7.1% | -25.6% | 6.2% | 10.3% |
| Dredging | -1.0% | 3.1% | 14.6% | 4.8% | | | -2.4% | 8.6% |
| Type of Customer | -1.0% | 3.1% | 14.6% | 4.8% | | | | |
| Environmental & Infrastructure | | | | | | | 58.8% | |
| Cost of goods sold | 580.9 | 562.4 | 557.8 | 509.3 | 549.4 | 552.1 | 761.0 | 714.3 |
| Gross profit | 145.3 | 171.2 | 153.8 | 111.5 | 42.7 | 85.3 | 95.9 | 92.5 |
| Gross margin | 20.0% | 23.3% | 21.6% | 18.0% | 7.2% | 13.4% | 11.2% | 11.5% |
| Selling, general and administrative [+] | 62.1 | 62.8 | 59.1 | 55.1 | 57.2 | 55.3 | 71.1 | 67.9 |
| General and administrative | 62.1 | 62.8 | 59.1 | 55.1 | 57.2 | 55.3 | 71.1 | 67.9 |
| Equity in earnings | | | | | 1.5 | 2.4 | 6.1 | -2.9 |
| Other operating expenses | -0.3 | -3.3 | -3.5 | 3.7 | 4.8 | 3.1 | -0.9 | 0.7 |
| EBITDA [+] | 126.4 | 149.9 | 135.3 | 103.0 | 38.2 | 84.2 | 96.3 | 71.1 |
| EBITDA growth | -15.7% | 10.8% | 31.3% | 170.0% | -54.7% | -12.6% | 35.5% | -26.6% |
| EBITDA margin | 17.4% | 20.4% | 19.0% | 16.6% | 6.4% | 13.2% | 11.2% | 8.8% |
| Depreciation | 43.0 | 38.2 | 37.1 | 50.4 | 56.0 | 54.8 | 58.1 | 48.6 |
| EBITA | 83.4 | 111.8 | 98.1 | 52.6 | -17.8 | 29.3 | 38.3 | 22.5 |
| EBITA margin | 11.5% | 15.2% | 13.8% | 8.5% | -3.0% | 4.6% | 4.5% | 2.8% |
| Amortization of intangibles | | | | | | | 6.5 | 1.6 |
| EBIT [+] | 83.4 | 111.8 | 98.1 | 52.6 | -17.8 | 29.3 | 31.8 | 21.0 |
| EBIT growth | -25.4% | 13.9% | 86.5% | -395.5% | -160.7% | -7.6% | 51.5% | -58.2% |
| EBIT margin | 11.5% | 15.2% | 13.8% | 8.5% | -3.0% | 4.6% | 3.7% | 2.6% |
| Non-recurring items [+] | | | | | | | 2.8 | |
| Asset impairment | | | | | | | 2.8 | |
| Interest expense | 21.6 | 26.6 | 27.5 | 33.6 | 28.4 | 23.5 | 24.4 | 20.0 |
| Interest expense | 21.6 | 26.6 | 27.5 | 33.6 | 28.4 | 23.5 | 24.4 | 20.0 |
| Other income (expense), net [+] | 1.0 | 1.1 | 0.3 | -2.6 | -3.0 | -5.5 | -13.3 | 8.2 |
| Gain (loss) on sale of assets | -0.3 | -1.6 | 1.1 | 3.7 | 4.8 | 3.1 | -0.9 | 0.7 |
| Gain (loss) on acquisitions / transactions | | | | | | | | 2.2 |
| Other | 1.0 | 1.1 | 0.3 | -2.6 | 0.0 | -0.8 | -1.2 | 0.2 |
| Pre-tax income | 62.8 | 86.3 | 70.9 | 16.5 | -49.1 | 0.4 | -8.7 | 9.2 |
| Income taxes | 13.4 | 20.2 | 15.3 | 5.4 | -33.8 | -0.2 | -2.5 | -11.5 |
| Tax rate | 21.3% | 23.4% | 21.5% | 33.0% | 68.7% | | 28.7% | |
| Earnings from continuing ops | 49.4 | 66.1 | 55.7 | 11.0 | -15.4 | 0.5 | -6.2 | 31.1 |
| Earnings from discontinued ops | | | -6.3 | -17.3 | -15.9 | -8.7 | | -10.4 |
| Net income | 49.4 | 66.1 | 49.3 | -6.3 | -31.3 | -8.2 | -6.2 | 20.7 |
| Net margin | 6.8% | 9.0% | 6.9% | -1.0% | -5.3% | -1.3% | -0.7% | 2.6% |
| |
| Basic EPS [+] | $0.75 | $1.02 | $0.88 | $0.18 | ($0.25) | $0.01 | ($0.10) | $0.52 |
| Growth | -26.2% | 16.6% | 394.5% | -170.7% | -2906.7% | -108.7% | -119.7% | 50.9% |
| Diluted EPS [+] | $0.75 | $1.00 | $0.86 | $0.17 | ($0.25) | $0.01 | ($0.10) | $0.51 |
| Growth | -25.7% | 17.2% | 394.2% | -169.2% | -2935.5% | -108.6% | -119.9% | 50.9% |
| |
| |
| Shares outstanding (basic) [+] | 65.6 | 64.7 | 63.6 | 62.2 | 61.4 | 60.7 | 60.4 | 59.9 |
| Growth | 1.3% | 1.8% | 2.2% | 1.4% | 1.0% | 0.6% | 0.8% | 0.7% |
| Shares outstanding (diluted) [+] | 66.3 | 65.9 | 65.0 | 63.6 | 61.4 | 61.4 | 60.4 | 60.5 |
| Growth | 0.7% | 1.3% | 2.3% | 3.7% | 0.0% | 1.6% | -0.2% | 0.7% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |