Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
CURRENT ASSETS:
Cash and Cash Equivalents, at Carrying Value	$ 19,226	$ 29,332
Accounts receivable, net of allowance for doubtful accounts of $XX and $3,396 at 2011 and 2010, respectively	184,774	170,805
Inventories, net	49,265	53,214
Prepaid Expense, Current	14,959	14,020
Income Taxes Receivable, Current	17,943	7,148
Other Assets, Current	10,740	12,029
TOTAL CURRENT ASSETS	296,907	286,548
Property, Plant and Equipment, Net	125,418	115,295
INTANGIBLES, net	8,721	8,221
GOODWILL	163,337	162,787
Deferred Tax Assets, Net, Noncurrent	13,224	13,662
Other Assets, Noncurrent	28,909	24,360
TOTAL ASSETS	636,516	610,873
CURRENT LIABILITIES:
Accounts payable	55,168	57,639
Accrued payroll and related costs	34,919	34,028
Taxes other than payroll and income	11,787	8,566
Unearned revenues	13,868	19,154
Income taxes payable	9,542	6,527
Other accrued expenses	15,226	17,281
TOTAL CURRENT LIABILITIES	140,510	143,195
LONG-TERM DEBT AND CAPITAL LEASE OBLIGATIONS	234,033	223,075
DEFERRED COMPENSATION	28,112	24,117
Deferred Tax Liabilities, Noncurrent	(6,777)	(5,531)
Other Liabilities, Noncurrent	39,171	33,300
EQUITY:
Preference shares, EUR 0.02 par value; 6,000,000 shares authorized, none issued or outstanding	0	0
Common Stock, Value, Issued	1,233	1,262
Additional paid-in capital	0	2,126
Retained Earnings (Accumulated Deficit)	361,255	283,660
Accumulated Other Comprehensive Income (Loss), Net of Tax	(8,413)	(1,739)
Treasury shares (at cost), XX at 2011 and 4,218,726 at 2010	(171,845)	(107,406)
Total Core Laboratories N.V. shareholders' equity	182,230	177,903
Stockholders' Equity Attributable to Noncontrolling Interest	5,683	3,752
TOTAL EQUITY	187,913	181,655
TOTAL LIABILITIES AND EQUITY	$ 636,516	$ 610,873