| In millions, except per share items | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-11 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues: |
| Gas Transportation and Storage | | | | | | 148.5 |
| Processing | | | | | | 158.5 |
| Total revenues [+] | 655.9 | 611.7 | 542.7 | 371.6 | 290.5 | 307.0 |
| Natural gas midstream | 122.4 | 120.0 | 119.9 | 126.7 | 120.0 | |
| Oil & gas services | 345.7 | 374.9 | 300.4 | 28.3 | | |
| Other | 79.3 | 39.6 | 40.2 | 35.2 | 14.8 | |
| Revenue growth | 7.2% | 12.7% | 46.1% | 27.9% | | |
| Cost of goods sold [+] | 199.5 | 174.4 | 172.9 | 231.2 | 181.6 | 33.3 |
| Maintenance and operations costs | 62.1 | 55.1 | 50.8 | 39.6 | 35.4 | |
| Natural gas midstream costs | 46.2 | 47.7 | 46.8 | 24.1 | 15.1 | |
| Gross profit | 456.4 | 437.3 | 369.7 | 140.3 | 109.0 | 273.7 |
| Gross margin | 69.6% | 71.5% | 68.1% | 37.8% | 37.5% | 89.2% |
| Selling, general and administrative [+] | 92.1 | 80.5 | 73.1 | 39.9 | 35.1 | 16.0 |
| Sales and marketing | | | | | 7.4 | |
| General and administrative [+] | 92.1 | 80.5 | 73.1 | 39.9 | 27.7 | 16.0 |
| General and administrative expenses | 63.3 | 55.1 | 51.4 | 33.2 | 27.7 | 16.0 |
| Operating taxes | 28.8 | 25.4 | 21.8 | 6.7 | 7.4 | |
| Other selling, general and administrative | | | | | 7.4 | |
| Equity in earnings | 237.1 | 54.5 | 2.8 | 0.7 | | |
| Other operating expenses | -1.2 | 11.8 | 9.6 | | | 159.5 |
| EBITDA [+] | 609.9 | 406.9 | 294.4 | 103.2 | 75.7 | 98.2 |
| EBITDA growth | 49.9% | 38.2% | 185.4% | 36.4% | | |
| EBITDA margin | 93.0% | 66.5% | 54.3% | 27.8% | 26.0% | 32.0% |
| Depreciation | 94.3 | 90.6 | 80.9 | 42.8 | 38.7 | 22.7 |
| EBITA | 515.6 | 316.3 | 213.5 | 60.3 | 37.0 | 75.5 |
| EBITA margin | 78.6% | 51.7% | 39.3% | 16.2% | 12.7% | 24.6% |
| Amortization of intangibles | 3.8 | 3.0 | 8.0 | 6.2 | 3.0 | |
| EBIT [+] | 511.8 | 313.3 | 205.5 | 54.1 | 34.0 | 75.5 |
| EBIT growth | 63.4% | 52.5% | 279.6% | 59.2% | | |
| EBIT margin | 78.0% | 51.2% | 37.9% | 14.6% | 11.7% | 24.6% |
| Non-recurring items [+] | 0.6 | -1.8 | -4.8 | | | |
| Loss (gain) on sale of assets | 0.6 | -1.8 | -4.8 | | | |
| Interest expense, net [+] | 83.5 | 40.7 | 15.5 | 7.3 | 11.1 | -2.1 |
| Interest expense | 83.5 | 40.7 | 15.5 | 7.3 | 11.1 | |
| Interest income | | | | | | 2.1 |
| Other income (expense), net [+] | 12.8 | 0.4 | 2.4 | 12.5 | -15.3 | 0.2 |
| Gain (loss) on debt retirement | | | | | -17.5 | |
| Gain (loss) on derivative instruments | 1.9 | -1.3 | | | | |
| Extraordinary gain | 9.7 | | | 9.4 | | |
| Other | 1.2 | 1.7 | 2.4 | 3.1 | 2.2 | 0.2 |
| Pre-tax income | 440.5 | 274.9 | 197.2 | 59.3 | 7.6 | 77.8 |
| Income taxes | 6.5 | 4.4 | 24.3 | -11.4 | -2.1 | 0.0 |
| Tax rate | 1.5% | 1.6% | 12.3% | | | 0.0% |
| Minority interest | 6.5 | 4.4 | 24.3 | -11.4 | -2.1 | |
| Net income | 286.2 | 161.1 | 114.1 | 61.8 | 7.0 | 0.0 |
| Net margin | 43.6% | 26.3% | 21.0% | 16.6% | 2.4% | 0.0% |
| |
| Basic EPS [+] | $3.93 | $2.26 | $1.95 | $1.39 | $0.17 | |
| Growth | 73.5% | 16.3% | 39.7% | 706.0% | | |
| Diluted EPS [+] | $3.90 | $2.23 | $1.91 | $1.36 | $0.17 | |
| Growth | 74.4% | 16.7% | 40.7% | 707.0% | | |
| |
| Dividends per share [+] | $5.39 | $4.12 | $2.76 | $1.54 | $3.38 | |
| Growth | 31.0% | 49.0% | 79.8% | -54.6% | | |
| |
| Shares outstanding (basic) [+] | 72.9 | 71.2 | 58.6 | 44.3 | 40.5 | |
| Growth | 2.4% | 21.4% | 32.1% | 9.6% | | |
| Shares outstanding (diluted) [+] | 73.5 | 72.1 | 59.6 | 45.4 | 41.5 | |
| Growth | 1.9% | 21.0% | 31.2% | 9.5% | | |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |