Unaudited Selected Quarterly Results of Operations

12 Months Ended

Dec. 31, 2013

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, 2013 and 2012 (in thousands, except per share data):

	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 and loss on exchange of Notes	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 (loss) 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

	Quarter ended 2012
	December 31		September 30		June 30		March 31
Services and product sales revenue	$	254,455	$	245,428	$	247,006	$	234,191
Cost of services and product sales	160,958		155,341		156,380		149,140
Other operating expenses	17,629		14,707		18,500		11,145
Operating income	75,868		75,380		72,126		73,906
Interest expense	2,292		2,160		2,178		2,190
Income before income tax expense	73,576		73,220		69,948		71,716
Income tax expense	18,394		18,671		16,997		17,786
Net income	55,182		54,549		52,951		53,930
Net income attributable to non-controlling interest	381		146		35		(21		)
Net income attributable to Core Laboratories N.V.	$	54,801	$	54,403	$	52,916	$	53,951
Per share information:
Basic earnings per share	$	1.18	$	1.15	$	1.11	$	1.13
Diluted earnings per share (1)	$	1.17	$	1.14	$	1.11	$	1.13
Weighted average common shares outstanding:
Basic	46,541		47,232		47,473		47,606
Diluted	46,857		47,528		47,791		47,945

(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.