| In millions, except per share items | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 |
| | 10-K | 10-K | 10-K | 10-K |
| Revenues: |
| Fire Creek | 141.8 | 125.0 | 95.0 | 75.9 |
| Midas | 59.6 | 63.8 | 59.1 | 36.7 |
| True North | 32.6 | 9.3 | | |
| Hollister | 6.7 | | | |
| Total revenues | 240.7 | 198.2 | 154.1 | 112.6 |
| Revenue growth [+] | 21.4% | 28.6% | 36.8% | |
| Fire Creek | 13.4% | 31.6% | 25.2% | |
| Midas | -6.6% | 8.0% | 60.8% | |
| True North | 248.6% | | | |
| Cost of goods sold [+] | 254.6 | 165.7 | 22.5 | 51.4 |
| Depreciation and amortization | 47.8 | 28.2 | | |
| Gross profit | -14.0 | 32.4 | 131.6 | 61.2 |
| Gross margin | -5.8% | 16.4% | 85.4% | 54.4% |
| Selling, general and administrative [+] | 19.4 | 15.8 | 12.4 | 40.2 |
| General and administrative | 19.4 | 15.8 | 12.4 | |
| Other operating expenses [+] | -29.0 | -3.6 | 95.9 | |
| Exploration expenses | 8.2 | 12.8 | 9.8 | |
| EBITDA [+] | 43.6 | 49.2 | 43.7 | 30.3 |
| EBITDA growth | -11.3% | 12.5% | 44.3% | |
| EBITDA margin | 18.1% | 24.8% | 28.4% | 26.9% |
| Depreciation and amortization | 47.9 | 28.9 | 20.4 | 9.3 |
| EBIT [+] | -4.4 | 20.2 | 23.3 | 21.0 |
| EBIT growth | -121.5% | -13.3% | 11.1% | |
| EBIT margin | -1.8% | 10.2% | 15.2% | 18.7% |
| Non-recurring items [+] | -0.4 | 5.1 | 0.0 | |
| Loss (gain) on sale of assets | -0.4 | -0.1 | -0.4 | |
| Legal settlement | | 3.0 | | |
| Interest expense | 4.1 | 5.3 | 7.3 | 8.3 |
| Interest expense | 4.1 | 5.3 | 7.3 | 8.3 |
| Other income (expense), net [+] | -9.9 | -7.8 | 16.4 | 17.2 |
| Gain (loss) on debt retirement | -0.3 | -0.5 | -2.1 | |
| Unrealized gain/loss on derivatives | -1.2 | -7.6 | 3.4 | |
| Gain (loss) on foreign currency transactions | -8.6 | 0.7 | 15.1 | |
| Pre-tax income | -18.1 | 2.0 | 32.5 | 29.8 |
| Income taxes | 5.6 | 3.7 | -11.7 | 3.0 |
| Tax rate | | 184.0% | | 9.9% |
| Net income | -23.7 | -1.7 | 44.3 | 26.9 |
| Net margin | -9.8% | -0.9% | 28.7% | 23.9% |
| |
| Basic EPS [+] | ($0.13) | ($0.01) | $0.33 | $0.23 |
| Growth | 1046.1% | -103.5% | 45.5% | |
| Diluted EPS [+] | ($0.13) | ($0.01) | $0.32 | $0.23 |
| Growth | 1046.1% | -103.6% | 38.4% | |
| |
| Shares outstanding (basic) [+] | 177.7 | 146.3 | 132.3 | 116.9 |
| Growth | 21.5% | 10.6% | 13.2% | |
| Shares outstanding (diluted) [+] | 177.7 | 146.3 | 139.0 | 116.9 |
| Growth | 21.5% | 5.2% | 18.9% | |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |