v3.8.0.1

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Revenues: |  |
Service revenues | $ 291,413 | $ 266,462
Product sales | 184,468 | 220,968
Total revenues | 475,881 | 487,430
Costs and expenses: |  |
Operating expenses (excluding depreciation and amortization expense) | 108,884 | 101,026
Depreciation and amortization expense | 69,897 | 54,671
Total costs associated with service revenues | 178,781 | 155,697
Cost of Goods Sold | 176,728 | 207,806
General and administrative expenses (excluding depreciation and amortization expense) | 19,774 | 24,595
Other depreciation and amortization expense | 2,118 | 2,193
Total costs and expenses | 377,401 | 390,291
Operating income | 98,480 | 97,139
Interest expense, net | (47,772) | (36,414)
Other income, net | 79,752 | 140
Income before income tax expense | 130,460 | 60,865
Income tax expense | 4,327 | 2,925
Net income | $ 126,133 | $ 57,940
Basic net income per common unit (Note 13) | $ 1.15 | $ 0.49
Basic weighted-average common units outstanding | 93,181,781 | 78,642,888
Comprehensive income | $ 147,057 | $ 61,703

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