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Income Taxes
3 Months Ended
Mar. 31, 2015
Income Tax (Benefit) Expense [Abstract]  
Income Taxes
Income Taxes

The Company’s income tax expense and resulting effective tax rate are based upon the respective estimated annual effective tax rates applicable for the respective periods adjusted for the effects of items required to be treated as discrete to the period, including changes in tax laws, changes in estimated exposures for uncertain tax positions and other items.
The Company’s effective tax rate for the three months ended March 31, 2015 is impacted by the geographical mix of earnings and the strengthening of the U.S. Dollar against foreign currencies offset by increased tax benefit from the generation of foreign tax credits. The Company’s effective tax rate for the three months ended March 31, 2014 included tax benefits related to the resolution of certain tax contingencies of $8.0 million and tax benefits of $13.9 million related to the $38.7 million pretax charge for the change in exchange rates used to remeasure the Company’s Venezuelan net monetary assets.