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Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Effective Income Tax Rate [Abstract]
Effective income tax rate, continuing operations	45.30%	40.50%
Income tax of equity in earnings of affiliates	$ (5.4)	$ (6.0)

- 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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