Consolidated Statement of Other Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Net income	$ 34,702	$ 64,096	$ 65,744	$ 125,249
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments	735	0	(405)	0
Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion	245	0	488	0
Income taxes on derivatives	367	0	367	0
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	1,347	0	450	0
Amortization to net income of transition asset	(22)	(22)	(44)	(44)
Amortization to net income of prior service cost	(19)	1	(38)	3
Amortization to net income of actuarial loss	184	135	367	270
Income taxes on pension and other postretirement benefit plans	(36)	(28)	(73)	(57)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	107	86	212	172
Other Comprehensive Income (Loss), Net of Tax	1,454	86	662	172
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract]
Comprehensive income (loss)	36,156	64,182	66,406	125,421
Comprehensive (Income) Loss, Net of Tax, Attributable to Noncontrolling Interest	76	362	(281)	451
Comprehensive income (loss) attributable to Core Laboratories N.V.	$ 36,080	$ 63,820	$ 66,687	$ 124,970