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Provision for Income Taxes
3 Months Ended
Mar. 31, 2014
Income Tax Disclosure [Abstract]  
Provision for Income Taxes

Note 11. Provision for Income Taxes

For the three month periods ended March 31, 2014 and 2013, our effective tax rates were 32% and 33%, respectively, which were consistent with the U.S. federal statutory tax rate of 34%. The difference between the U.S. federal statutory tax rate of 34% and our effective tax rates for the three months ended March 31, 2014 and 2013 was primarily due to the effective tax rate being impacted by non-U.S. based earnings being taxed at lower rates.

As of March 31, 2014, we do not foresee any significant changes to our unrecognized tax benefits within the next twelve months.