| Sep'18 | Jun'18 | Mar'18 | Dec'17 | Sep'17 | Jun'17 | Mar'17 | Dec'16 | Sep'16 | Jun'16 | Mar'16 | Dec'15 | Sep'15 | Jun'15 | Mar'15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Operating Revenue | ||||||||||||||
763,200 | 592,000 | 460,100 | 480,200 | 536,400 | 518,600 | 488,500 | 441,300 | 346,500 | 354,400 | 374,200 | 369,600 | 0 | 0 | 0 |
Operating Expenses | ||||||||||||||
Purchased gas | ||||||||||||||
- | - | 53,200 | - | - | - | 53,000 | 41,700 | 10,100 | 30,100 | 51,600 | 54,600 | 0 | 0 | 0 |
Other operations and maintenance: | ||||||||||||||
Affiliated suppliers | ||||||||||||||
76,800 | 79,600 | 74,700 | 70,900 | 65,400 | 50,900 | 41,000 | 34,800 | 28,800 | 27,300 | 26,700 | 22,100 | 0 | 0 | 0 |
Other | ||||||||||||||
101,900 | 77,700 | 65,600 | 62,900 | 71,300 | 77,500 | 65,400 | 60,500 | 45,800 | 36,200 | 36,700 | 34,600 | 0 | 0 | 0 |
Depreciation and amortization | ||||||||||||||
146,800 | 122,300 | 100,400 | 100,800 | 100,800 | 86,700 | 71,500 | 56,600 | 42,600 | 40,100 | 39,800 | 40,400 | 0 | 0 | 0 |
Other taxes | ||||||||||||||
46,800 | 37,200 | 36,900 | 36,500 | 36,300 | 35,000 | 32,600 | 30,600 | 28,400 | 27,700 | 27,700 | 26,300 | 0 | 0 | 0 |
Total operating expenses | ||||||||||||||
409,200 | 362,500 | 330,800 | 326,200 | 338,300 | 308,900 | 263,500 | 224,200 | 155,700 | 161,400 | 182,500 | 178,000 | 0 | 0 | 0 |
Income from operations | ||||||||||||||
354,000 | 229,500 | 129,300 | 154,000 | 198,100 | 209,700 | 225,000 | 217,100 | 190,800 | 193,000 | 191,700 | 191,600 | 0 | 0 | 0 |
Earnings from equity method investees | ||||||||||||||
29,500 | 30,100 | 29,200 | 26,200 | 27,400 | 26,100 | 24,600 | 23,000 | 21,600 | 16,700 | 13,000 | 6,600 | 0 | 0 | 0 |
Other income | ||||||||||||||
7,900 | 6,900 | 6,800 | 6,300 | 5,300 | 4,400 | 4,000 | 3,200 | 2,600 | 2,000 | 1,300 | 1,000 | 0 | 0 | 0 |
Interest and related charges | ||||||||||||||
-32,300 | -31,100 | -30,300 | -31,100 | -30,300 | -23,200 | -15,100 | -7,300 | -1,600 | -700 | -500 | -600 | 0 | 0 | 0 |
Income from operations including noncontrolling interest before income taxes | ||||||||||||||
- | - | - | - | - | - | - | - | 0 | - | - | 198,600 | 0 | 0 | 0 |
Income tax expense | ||||||||||||||
- | - | - | - | - | - | - | - | 0 | - | - | 2,100 | 0 | 0 | 0 |
Net income including noncontrolling interest and predecessors | ||||||||||||||
- | 235,400 | 135,000 | - | - | 0 | 0 | - | 0 | - | - | 196,500 | 0 | 0 | 0 |
Net income including noncontrolling interest and predecessors | ||||||||||||||
0 | - | - | - | 0 | - | - | 224,200 | 213,700 | 209,100 | 203,200 | 194,200 | 0 | 0 | 0 |
Net income attributable to Predecessor | ||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 |
Less: Net income (loss) attributable to noncontrolling interest | ||||||||||||||
154,100 | 29,300 | -65,200 | -39,700 | 7,400 | 50,200 | 91,200 | 117,800 | 121,000 | 122,700 | 121,700 | 121,700 | 0 | 0 | 0 |
Net income attributable to partners | ||||||||||||||
205,000 | 206,100 | 200,200 | 195,100 | 179,300 | 155,000 | 135,500 | 106,400 | 95,000 | 88,700 | 83,800 | 72,500 | 0 | 0 | 0 |
Net income attributable to partners' ownership interest | ||||||||||||||
Net income attributable to limited partners | ||||||||||||||
38,000 | 38,000 | 38,000 | 38,000 | 0 | 0 | 0 | - | - | - | - | - | - | - | - |
General partner's interest in net income | ||||||||||||||
16,100 | 20,100 | 20,400 | 14,200 | 7,600 | 4,300 | 4,600 | 2,300 | 1,900 | 1,200 | -100 | -500 | 0 | 0 | 0 |