CONDENSED CONSOLIDATED STATEMENTS OF INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues and other income:
Operating revenues	$ 662,103	$ 519,729	$ 1,856,008	$ 1,688,891
Earnings (losses) from unconsolidated affiliates	4	2	6	(221,918)
Investment income (loss)	373	310	208	923
Total revenues and other income	662,480	520,041	1,856,222	1,467,896
Costs and other deductions:
Direct costs	441,263	306,436	1,246,428	1,012,738
General and administrative expenses	65,010	56,078	192,114	175,036
Research and engineering	12,960	8,476	36,060	24,818
Depreciation and amortization	217,075	220,713	628,837	655,444
Interest expense	54,607	46,836	165,813	137,803
Other, net	5,559	10,392	29,173	267,403
Total costs and other deductions	796,474	648,931	2,298,425	2,273,242
Income (loss) from continuing operations before income taxes	(133,994)	(128,890)	(442,203)	(805,346)
Income tax expense (benefit):
Current	8,644	8,600	45,646	39,323
Deferred	(23,353)	(39,651)	(105,460)	(163,621)
Total income tax expense (benefit)	(14,709)	(31,051)	(59,814)	(124,298)
Income (loss) from continuing operations, net of tax	(119,285)	(97,839)	(382,389)	(681,048)
Income (loss) from discontinued operations, net of tax	(27,134)	(12,187)	(43,077)	(14,097)
Net income (loss)	(146,419)	(110,026)	(425,466)	(695,145)
Less: Net (income) loss attributable to noncontrolling interest	(2,113)	(1,185)	(5,001)	990
Net income (loss) attributable to Nabors	(148,532)	(111,211)	(430,467)	(694,155)
Amounts attributable to Nabors:
Net income (loss) from continuing operations	(121,398)	(99,024)	(387,390)	(680,058)
Net income (loss) from discontinued operations	(27,134)	(12,187)	(43,077)	(14,097)
Net income (loss) attributable to Nabors	$ (148,532)	$ (111,211)	$ (430,467)	$ (694,155)
Earnings (losses) per share:
Basic from continuing operations (in dollars per share)	$ (0.42)	$ (0.35)	$ (1.35)	$ (2.41)
Basic from discontinued operations (in dollars per share)	(0.10)	(0.04)	(0.16)	(0.05)
Total Basic (in dollars per share)	(0.52)	(0.39)	(1.51)	(2.46)
Diluted from continuing operations (in dollars per share)	(0.42)	(0.35)	(1.35)	(2.41)
Diluted from discontinued operations (in dollars per share)	(0.10)	(0.04)	(0.16)	(0.05)
Total Diluted (in dollars per share)	$ (0.52)	$ (0.39)	$ (1.51)	$ (2.46)
Weighted-average number of common shares outstanding:
Basic (in shares)	279,313	276,707	278,670	276,369
Diluted (in shares)	279,313	276,707	278,670	276,369
Dividends declared per common share (in dollars per share)	$ 0.06	$ 0.06	$ 0.18	$ 0.18