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Income Taxes and Other Taxes (Schedule of Effective Tax Rates) (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Income Taxes and Other Taxes
Effective tax rate	30.40%	(114.20%)	30.80%	60.10%

- 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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