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Income Taxes
3 Months Ended
Mar. 31, 2013
Income Tax Disclosure [Abstract]  
Income Taxes

Note 8. Income Taxes

       First quarter 2013 results included a provision for income taxes of $3.7 million, or 24.2% of income before tax, compared to $25.8 million, or 30.7% of income before tax, for the comparable prior year period. The first quarter 2013 included a discrete tax benefit of $2.0 million, primarily related to 2013 Federal tax law changes. Excluding the discrete tax benefit, the effective tax rate was 37.6%. The first quarter 2012 included a discrete tax benefit of $3.7 million primarily related to state income taxes.