Consolidated Balance Sheets Statement (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Cash and Cash Equivalents, at Carrying Value	$ 22,927	$ 19,226
Accounts Receivable, Net	200,136	184,774
Inventory, Net	50,767	49,265
Prepaid Expense, Current	15,326	14,959
Income Taxes Receivable, Current	12,613	17,943
Prepaid Expense and Other Assets	11,098	10,740
TOTAL CURRENT ASSETS	312,867	296,907
Property, Plant and Equipment, Net	127,731	125,418
Intangible Assets, Net (Excluding Goodwill)	9,266	8,721
Goodwill	163,337	163,337
Deferred Tax Assets, Net, Noncurrent	11,907	13,224
Other Assets, Noncurrent	30,335	28,909
TOTAL ASSETS	655,443	636,516
Accounts Payable, Current	54,078	55,168
Employee-related Liabilities, Current	29,439	34,919
Sales and Excise Tax Payable, Current	10,332	11,787
Deferred Revenue, Current	20,735	13,868
Taxes Payable, Current	22,125	9,542
Other Accrued Liabilities, Current	14,041	15,226
TOTAL CURRENT LIABILITIES	150,750	140,510
LONG-TERM DEBT AND CAPITAL LEASE OBLIGATIONS	241,022	234,033
Deferred Compensation Liability, Classified, Noncurrent	30,325	28,112
Deferred Tax Liabilities, Noncurrent	6,364	6,777
Other Liabilities, Noncurrent	39,075	39,171
Preferred Stock, Value, Issued	0	0
Common Stock, Value, Issued	1,233	1,233
Additional Paid in Capital, Common Stock	2,350	0
Retained Earnings (Accumulated Deficit)	402,951	361,255
Accumulated Other Comprehensive Income (Loss), Net of Tax	(8,312)	(8,413)
Treasury shares (at cost), xxx at 2011 and 4,218,726 at 2010	(216,214)	(171,845)
Total Core Laboratories N.V. shareholders' equity	182,008	182,230
Stockholders' Equity Attributable to Noncontrolling Interest	5,899	5,683
TOTAL EQUITY	187,907	187,913
TOTAL LIABILITIES AND EQUITY	$ 655,443	$ 636,516