Statement of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
REVENUES:
Sales Revenue, Services, Net	$ 621,752	$ 568,220	$ 529,523
Sales Revenue, Goods, Net	285,896	226,433	166,016
Total Revenue	907,648	794,653	695,539
OPERATING EXPENSES:
Cost of services, exclusive of depreciation shown below	395,303	356,563	333,544
Cost of product sales, exclusive of depreciation shown below	198,066	157,227	124,225
General and administrative expenses, exclusive of depreciation shown below	41,141	33,029	30,372
Depreciation	22,126	21,820	23,106
Amortization	1,177	1,293	712
Other (income) expense, net	(919)	(2,205)	(3,202)
Income Before Interest Expense and Taxes	250,754	226,926	186,782
Loss on exchange of Senior Exchangeable Notes	1,012	1,939	0
Interest expense	10,900	15,839	15,523
Income before income tax expense	238,842	209,148	171,259
Income Tax Expense (Benefit)	54,198	63,747	57,164
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	184,644	145,401	114,095
Net Income (Loss) Attributable to Noncontrolling Interest	(40)	484	491
Net income attributable to Core Laboratories N.V.	$ 184,684	$ 144,917	$ 113,604
EARNINGS PER SHARE INFORMATION:
Earnings Per Share, Basic	$ 3.99	$ 3.23	$ 2.47
Earnings Per Share, Diluted	$ 3.82	$ 3.00	$ 2.43
Cash dividends per share	$ 1.00	$ 0.89	$ 0.575
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Weighted Average Number of Shares Outstanding, Basic	46,286	44,830	45,939
Weighted Average Number of Shares Outstanding, Diluted	48,393	48,241	46,657