Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

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Income Taxes (Details)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Effective Income Tax Rate, Continuing Operations 30.80% 38.70%
Effective statutory federal income tax rate (in hundredths) 35.00% 35.00%