Unaudited Selected Quarterly Results of Operations

12 Months Ended

Dec. 31, 2014

Unaudited Selected Quarterly Results of Operations [Abstract]

Quarterly Financial Information [Text Block]

UNAUDITED SELECTED QUARTERLY RESULTS OF OPERATIONS

Summarized below is our unaudited quarterly financial data for the quarters ended December 31, 2014 and 2013 (in thousands, except per share data):

	Quarter ended 2014
	December 31		September 30		June 30		March 31
Services and product sales revenue	$	278,622	$	276,135	$	267,562	$	262,903
Cost of services and product sales	168,517		166,927		168,158		161,669
Other operating expenses	19,655		20,088		15,270		18,407
Operating income	90,450		89,120		84,134		82,827
Interest expense	2,882		2,561		2,794		2,363
Income before income tax expense	87,568		86,559		81,340		80,464
Income tax expense	20,841		19,909		17,244		19,311
Net income	66,727		66,650		64,096		61,153
Net income (loss) attributable to non-controlling interest	537		153		362		89
Net income attributable to Core Laboratories N.V.	$	66,190	$	66,497	$	63,734	$	61,064
Per share information:
Basic earnings per share	$	1.51	$	1.51	$	1.43	$	1.36
Diluted earnings per share (1)	$	1.51	$	1.50	$	1.42	$	1.35
Weighted average common shares outstanding:
Basic	43,742		44,152		44,660		44,908
Diluted	43,927		44,381		44,910		45,182

	Quarter ended 2013
	December 31			September 30			June 30		March 31
Services and product sales revenue	$	276,279		$	273,163		$	263,139	$	260,927
Cost of services and product sales	168,393			167,427			163,503		163,645
Other operating expenses	19,969			21,140			17,767		18,245
Operating income	87,917			84,596			81,869		79,037
Interest expense	2,483			2,302			2,263		2,269
Income before income tax expense	85,434			82,294			79,606		76,768
Income tax expense	20,718			20,490			19,664		20,036
Net income	64,716			61,804			59,942		56,732
Net income attributable to non-controlling interest	(8		)	(91		)	266		216
Net income attributable to Core Laboratories N.V.	$	64,724		$	61,895		$	59,676	$	56,516
Per share information:
Basic earnings per share	$	1.43		$	1.36		$	1.30	$	1.22
Diluted earnings per share (1)	$	1.42		$	1.35		$	1.29	$	1.22
Weighted average common shares outstanding:
Basic	45,212			45,526			45,841		46,201
Diluted	45,517			45,828			46,128		46,493

(1) The sum of the individual quarterly diluted earnings per share amounts may not agree with the year-to-date diluted earnings per share amounts as each quarterly computation is based on the weighted average number of diluted common shares outstanding during that period.