v3.8.0.1

CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Revenues: |  |  |
Service revenues | $ 1,128,726 | $ 1,083,165 | $ 1,114,153
Product sales | 685,293 | 673,517 | 969,887
Total revenues | 1,814,019 | 1,756,682 | 2,084,040
Costs and expenses: |  |  |
Cost of product sales | 651,599 | 633,653 | 907,574
Operating expenses (excluding depreciation and amortization expense): |  |  |
Third parties | 449,670 | 426,686 | 337,466
Related party | 0 | 21,681 | 135,565
Total operating expenses | 449,670 | 448,367 | 473,031
General and administrative expenses (excluding depreciation and amortization expense): |  |  |
Third parties | 112,240 | 88,324 | 35,752
Related party | 0 | 10,493 | 66,769
Total general and administrative expenses | 112,240 | 98,817 | 102,521
Depreciation and amortization expense | 264,232 | 216,736 | 210,210
Total costs and expenses | 1,477,741 | 1,397,573 | 1,693,336
Operating income (loss) | 336,278 | 359,109 | 390,704
Interest expense, net | (173,083) | (138,350) | (131,868)
Other income (expense), net | (5,294) | (58,783) | 61,822
Income (loss) from continuing operations before income tax expense | 157,901 | 161,976 | 320,658
Income tax expense | 9,937 | 11,973 | 14,712
Income (loss) from continuing operations | 147,964 | 150,003 | 305,946
Income (loss) from discontinued operations, net of tax | 0 | 0 | 774
Net income | $ 147,964 | $ 150,003 | $ 306,720
Basic and diluted income (loss) per common unit: |  |  |
Continuing operations | $ 0.64 | $ 1.27 | $ 3.29
Discontinued operations | 0.00 | 0.00 | 0.01
Total (Note 20) | $ 0.64 | $ 1.27 | $ 3.30
Basic weighted-average common units outstanding | 88,825,964 | 78,080,484 | 77,886,078
Diluted weighted-average common units outstanding | 88,825,964 | 78,113,002 | 77,886,078

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