Consolidated Statement of Other Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net income	$ 16,838	$ 33,594	$ 48,490	$ 99,338
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments	199	(1,475)	(2,221)	(1,880)
Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion	207	246	631	734
Income taxes on derivatives	(150)	455	585	822
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	256	(774)	(1,005)	(324)
Amortization to net income of transition asset	0	(22)	0	(66)
Amortization to net income of prior service cost	(20)	(21)	(58)	(59)
Amortization to net income of actuarial loss	148	181	444	548
Income taxes on pension and other postretirement benefit plans	(32)	(33)	(96)	(106)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	96	105	290	317
Other Comprehensive Income (Loss), Net of Tax	352	(669)	(715)	(7)
Comprehensive income	17,190	32,925	47,775	99,331
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	108	190	54	(91)
Comprehensive income attributable to Core Laboratories N.V.	$ 17,082	$ 32,735	$ 47,721	$ 99,422