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Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Income Taxes (Textual)
Accounting Standards Codification Topic 740 - Income Taxes recognition threshold for uncertain tax positions			50.00%	50.00%
Income tax provision (benefit) from continuing operations	$ (17,749)	$ (40,341)	$ (56,145)	$ (77,771)
Effective tax rate from continuing operations	51.10%	85.00%	43.10%	52.00%

- Definition

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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- Definition

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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