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CONDENSED CONSOLIDATED STATEMENTS OF INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Revenues and other income: |  |  |  |
Operating revenues | $ 631,355 | $ 571,591 | $ 1,193,905 | $ 1,169,162
Earnings (losses) from unconsolidated affiliates |  | (54,769) | 2 | (221,920)
Investment income (loss) | (886) | 270 | (165) | 613
Total revenues and other income | 630,469 | 517,092 | 1,193,742 | 947,855
Costs and other deductions: |  |  |  |
Direct costs | 417,521 | 341,279 | 805,165 | 706,302
General and administrative expenses | 63,695 | 56,624 | 127,104 | 118,958
Research and engineering | 11,343 | 8,180 | 23,100 | 16,342
Depreciation and amortization | 208,090 | 218,913 | 411,762 | 434,731
Interest expense | 54,688 | 45,237 | 111,206 | 90,967
Other, net | 10,104 | 74,607 | 23,614 | 257,011
Total costs and other deductions | 765,441 | 744,840 | 1,501,951 | 1,624,311
Income (loss) from continuing operations before income taxes | (134,972) | (227,748) | (308,209) | (676,456)
Income tax expense (benefit): |  |  |  |
Current | 14,313 | 15,898 | 37,002 | 30,723
Deferred | (33,809) | (57,081) | (82,107) | (123,970)
Total income tax expense (benefit) | (19,496) | (41,183) | (45,105) | (93,247)
Income (loss) from continuing operations, net of tax | (115,476) | (186,565) | (263,104) | (583,209)
Income (loss) from discontinued operations, net of tax | (15,504) | (984) | (15,943) | (1,910)
Net income (loss) | (130,980) | (187,549) | (279,047) | (585,119)
Less: Net (income) loss attributable to noncontrolling interest | (1,971) | 2,899 | (2,888) | 2,175
Net income (loss) attributable to Nabors | (132,951) | (184,650) | (281,935) | (582,944)
Amounts attributable to Nabors: |  |  |  |
Net income (loss) from continuing operations | (117,447) | (183,666) | (265,992) | (581,034)
Net income (loss) from discontinued operations | (15,504) | (984) | (15,943) | (1,910)
Net income (loss) attributable to Nabors | $ (132,951) | $ (184,650) | $ (281,935) | $ (582,944)
Earnings (losses) per share: |  |  |  |
Basic from continuing operations (in dollars per share) | $ (0.41) | $ (0.65) | $ (0.93) | $ (2.06)
Basic from discontinued operations (in dollars per share) | (0.05) |  | (0.06) | (0.01)
Total Basic (in dollars per share) | (0.46) | (0.65) | (0.99) | (2.07)
Diluted from continuing operations (in dollars per share) | (0.41) | (0.65) | (0.93) | (2.06)
Diluted from discontinued operations (in dollars per share) | (0.05) |  | (0.06) | (0.01)
Total Diluted (in dollars per share) | $ (0.46) | $ (0.65) | $ (0.99) | $ (2.07)
Weighted-average number of common shares outstanding: |  |  |  |
Basic (in shares) | 278,916 | 276,550 | 278,348 | 276,201
Diluted (in shares) | 278,916 | 276,550 | 278,348 | 276,201
Dividends declared per common share (in dollars per share) | $ 0.06 | $ 0.06 | $ 0.06 | $ 0.06

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