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Income Taxes
6 Months Ended
Jun. 30, 2011
Income Taxes  
Income Taxes
7. Income Taxes

The provision for income taxes was $18.9 million and $37.4 million for the three and six months ended June 30, 2011, compared to $19.2 million and $37.2 million for the same periods in 2010. The effective tax rate was 39.3% and 39.2% for the three and six months ended June 30, 2011, compared to 39.4% for the same periods in 2010.