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Income Taxes (Details)	6 Months Ended
Income Taxes (Details)	Jun. 30, 2013	Jun. 30, 2012
Income Taxes (Textual) [Abstract]
Effective tax rate	34.90%	33.60%

- 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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