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Income Taxes (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Summary of provision for (benefit from) income taxes in effective tax rates
Income taxes at U.S. federal statutory rate of 35%	$ (121,492)	$ (78,809)	$ (69,145)
Net state income taxes	(538)	(3,765)	(1,249)
Foreign taxes	4,676	21,096	34,879
Noncontrolling interest	(1,103)	3,134	(3,264)
Foreign tax credits	(11,431)	(6,497)	(3,129)
Unrecognized tax benefits	(741)	(817)	7,784
Valuation allowances	62,318	(1,892)	5,044
Goodwill impairment	53,988		52,772
Impairment of investments in non-consolidated affiliates	0		25,407
Other	858	944	2,568
Provision for (benefit from) income taxes	$ (13,465)	$ (66,606)	$ 51,667

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- Definition

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 differences in the deductibility of impairment of investments in non consolidated affiliates in accordance with generally accepted accounting principles and enacted tax laws.

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The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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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 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 foreign tax credits generated or utilized under enacted tax laws during the period.

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