INCOME TAXES Effective Rate Reconciliation (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]
Income taxes at Netherlands rates (2012 and 2011 - 25%, 2010 - 25.5%)	$ (140,142)	$ (43,927)	$ (28,521)
Jurisdictional differences in tax rates	30,436	22,092	416
Tax effect of goodwill impairment	55,671	7,105	0
Unrecognized tax benefits	11,089	4,490	2,444
Losses expired	5,597	2,344	672
Tax charge from internal restructuring	0	9,229	0
Change in valuation allowance	16,049	2,637	30,427
Other	7,161	(120)	(413)
(Credit) / provision for income taxes	$ (14,139)	$ 3,850	$ 5,025

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Income Tax Reconciliation Losses Expired

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Income Tax Reconciliation Unrecognized Tax Benefits

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The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to pretax Income or Loss from continuing operations; income tax expense or benefit may include interest and penalties on tax uncertainties based on the entity's accounting policy.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to changes in the valuation allowance for deferred tax assets in the period.

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The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to total foreign income tax expense or benefit. The foreign income tax expense or benefit difference represents the income tax expense or benefit at applicable domestic statutory income tax rates applied to foreign earnings or loss for the period versus the foreign income tax expense or benefit calculated by applying the appropriate foreign tax rates.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to nondeductible impairment losses under enacted tax laws.

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The sum of other amounts reflected in the reconciliation of the statutory tax provision (benefit) to the actual tax provision (benefit).

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