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Income Taxes
3 Months Ended
Mar. 31, 2014
Income Taxes [Abstract]  
Income Taxes
8.
Income Taxes

The effective income tax rates for the three months ended March 31, 2014 and 2013, were 18.7% and 33.2%, respectively. The effective tax rates in both 2014 and 2013 were reduced by changes in estimates associated with the finalization of prior year tax items. The rates in both periods also include the impact of the restructuring and other costs which were more significant in the first quarter of 2014.