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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) |  |  |  |
Net income (loss) attributable to Nabors | $ (132,951) | $ (184,650) | $ (281,935) | $ (582,944)
Translation adjustment attributable to Nabors |  |  |  |
Translation adjustment attributable to Nabors | 10,879 | 3,458 | 14,739 | 36,820
Unrealized gains (losses) on marketable securities: |  |  |  |
Unrealized gains (losses) on marketable securities | 3,785 | 1,280 | 584 | 2,049
Less: reclassification adjustment for (gains) losses included in net income (loss) | 1,341 |  | 1,341 |
Unrealized gains (losses) on marketable securities | 5,126 | 1,280 | 1,925 | 2,049
Pension liability amortization and adjustment | 50 | 294 | 100 | 468
Unrealized gains (losses) and amortization on cash flow hedges | 153 | 153 | 306 | 306
Other comprehensive income (loss), before tax | 16,208 | 5,185 | 17,070 | 39,643
Income tax expense (benefit) related to items of other comprehensive income (loss) | 78 | 171 | 157 | 300
Other comprehensive income (loss), net of tax | 16,130 | 5,014 | 16,913 | 39,343
Comprehensive income (loss) attributable to Nabors | (116,821) | (179,636) | (265,022) | (543,601)
Net income (loss) attributable to noncontrolling interest | 1,971 | (2,899) | 2,888 | (2,175)
Translation adjustment attributable to noncontrolling interest | 108 | 42 | 157 | 461
Comprehensive income (loss) attributable to noncontrolling interest | 2,079 | (2,857) | 3,045 | (1,714)
Comprehensive income (loss) | $ (114,742) | $ (182,493) | $ (261,977) | $ (545,315)

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