| In millions, except per share items | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues: |
| Frac sand sales revenues | 432.5 | 696.6 | 598.4 | | | | | |
| Sales to contract customers | 310.4 | 607.9 | 438.5 | | | | | |
| Other revenues | 203.9 | 146.2 | 4.3 | | | | | |
| Spot sales | 122.1 | 88.7 | 159.8 | | | | | |
| Total revenues | 636.4 | 842.8 | 602.6 | 204.4 | 339.6 | 386.5 | 179.0 | 75.6 |
| Revenue growth [+] | -24.5% | 39.9% | 194.8% | -39.8% | -12.1% | 116.0% | 136.6% | |
| Frac sand sales revenues | -37.9% | 16.4% | | | | | | |
| Sales to contract customers | -48.9% | 38.6% | | | | | | |
| Other revenues | 39.4% | 3326.4% | | | | | | |
| Spot sales | 37.6% | -44.5% | | | | | | |
| Cost of goods sold [+] | 521.7 | 578.0 | 438.3 | 205.3 | 256.2 | 226.0 | 95.9 | 20.5 |
| Cost of product sales | | | | 188.3 | 239.6 | 215.4 | | |
| Depreciation and amortization | | | | 17.0 | 16.6 | 10.6 | | |
| Gross profit | 114.6 | 264.9 | 164.3 | -0.9 | 83.4 | 160.6 | 83.1 | 55.2 |
| Gross margin | 18.0% | 31.4% | 27.3% | -0.4% | 24.6% | 41.5% | 46.4% | 72.9% |
| Selling, general and administrative [+] | 51.6 | 55.0 | 41.5 | 36.8 | 27.8 | 26.5 | 19.1 | 8.1 |
| General and administrative | 51.6 | 55.0 | 41.5 | 36.8 | 27.8 | 26.5 | 19.1 | |
| Equity in earnings | 6.0 | 5.2 | 0.1 | | | | | |
| Other operating expenses | 51.8 | 38.8 | 29.9 | 0.4 | -11.9 | 0.2 | 0.2 | |
| EBITDA [+] | 68.6 | 214.5 | 122.4 | -20.5 | 83.2 | 142.7 | 69.9 | |
| EBITDA growth | -68.0% | 75.2% | -696.3% | -124.7% | -41.7% | 104.2% | 48.6% | |
| EBITDA margin | 10.8% | 25.5% | 20.3% | -10.0% | 24.5% | 36.9% | 39.1% | 62.2% |
| Depreciation | 52.4 | 38.8 | 31.6 | 15.9 | 13.1 | 3.7 | 2.4 | |
| EBITA | 16.1 | 175.7 | 90.9 | -36.5 | 70.1 | 139.1 | 67.4 | 47.0 |
| EBITA margin | 2.5% | 20.9% | 15.1% | -17.8% | 20.6% | 36.0% | 37.7% | 62.2% |
| Amortization of intangibles | 5.7 | 3.4 | | 1.7 | 2.6 | 5.2 | 3.7 | |
| EBIT [+] | 10.5 | 172.4 | 90.9 | -38.1 | 67.5 | 133.9 | 63.8 | 47.0 |
| EBIT growth | -93.9% | 89.7% | -338.2% | -156.5% | -49.6% | 109.9% | 35.6% | |
| EBIT margin | 1.6% | 20.5% | 15.1% | -18.7% | 19.9% | 34.6% | 35.6% | 62.2% |
| Non-recurring items [+] | 351.3 | 3.2 | -2.6 | 34.0 | 25.7 | | 0.0 | |
| Asset impairment | 357.5 | | | 34.0 | 25.7 | | 0.0 | |
| Unusual expense | 1.8 | 3.2 | -2.6 | | | | | |
| Loss on contingent liability | -8.0 | | | | | | | |
| Interest expense | 45.8 | 25.3 | 13.0 | 20.9 | 14.1 | 9.9 | 3.7 | |
| Interest expense | 45.8 | 25.3 | 13.0 | 20.9 | 14.1 | 9.9 | 3.7 | |
| Other income (expense), net [+] | 3.6 | -6.2 | -4.3 | | | | | -3.5 |
| Gain (loss) on debt retirement | | -6.2 | -4.3 | | | | | |
| Extraordinary gain | 3.6 | | | | | | | |
| Pre-tax income | -382.9 | 137.6 | 76.2 | -93.0 | 27.7 | 123.9 | 60.0 | 43.5 |
| Income taxes | -54.2 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 | 0.3 | 0.0 |
| Tax rate | 14.2% | 0.0% | 0.0% | 0.0% | 0.0% | 0.8% | 0.5% | 0.0% |
| Minority interest | | | | | | 1.0 | 0.3 | |
| Net income | -413.6 | 140.8 | 84.0 | -81.3 | 28.3 | 123.0 | 59.8 | 43.5 |
| Net margin | -65.0% | 16.7% | 13.9% | -39.8% | 8.3% | 31.8% | 33.4% | 57.6% |
| |
| Basic EPS [+] | ($4.10) | $1.54 | $0.97 | ($1.64) | $0.76 | $3.09 | $2.08 | |
| Growth | -365.4% | 58.9% | -159.2% | -314.5% | -75.3% | 48.6% | | |
| Diluted EPS [+] | ($4.10) | $1.50 | $0.96 | ($1.64) | $0.76 | $3.00 | $2.08 | |
| Growth | -372.4% | 57.3% | -158.3% | -315.6% | -74.6% | 44.2% | | |
| |
| Dividends per share [+] | | $1.83 | $0.96 | | $1.90 | $1.95 | $2.03 | |
| Growth | -100.0% | 91.3% | | -100.0% | -2.5% | -4.3% | | |
| |
| Shares outstanding (basic) [+] | 101.0 | 91.2 | 86.5 | 49.6 | 37.0 | 39.8 | 28.7 | |
| Growth | 10.7% | 5.5% | 74.5% | 34.1% | -7.1% | 38.5% | | |
| Shares outstanding (diluted) [+] | 101.0 | 93.6 | 87.9 | 49.6 | 37.2 | 41.0 | 28.7 | |
| Growth | 7.8% | 6.5% | 77.3% | 33.4% | -9.4% | 42.6% | | |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |