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Income Taxes
3 Months Ended
Mar. 31, 2015
Income Tax Disclosure [Abstract]  
Income Taxes
Income Taxes

Income Tax Provision

For the three months ended March 31, 2015 and 2014, we recorded $4.6 million and $3.5 million, respectively, of income tax expense and had an effective rate of 37.5% and 38.3%, respectively. During the three months ended March 31, 2015, the primary reason for the difference between the federal statutory income tax rate of 35% and the effective tax rate was the effect of state taxes, offset partially by the domestic production activities deduction. During the three months ended March 31, 2014, the primary reason for the difference between the federal statutory income tax rate of 35% and the effective tax rate was the effect of state taxes.

During the three months ended March 31, 2015, refunds received, net of cash paid for taxes, were $7.2 million, and during the three months ended March 31, 2014, cash paid for taxes, net of refunds received, was $0.5 million.