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Income Taxes
9 Months Ended
Sep. 30, 2014
Income Taxes [Abstract]  
Income Taxes
9.Income Taxes

The effective income tax rates for the quarters ended September 30, 2014 and 2013, were 29.3% and 29.5%, respectively. For the nine-month periods ended September 30, 2014 and 2013, the effective income tax rates were 32.8% and 29.8%, respectively. The effective tax rates in both 2014 and 2013 were impacted by restructuring activities and changes in estimates associated with the finalization of prior year foreign and domestic tax items, including the reversal of valuation allowances related to the impact of restructuring activities on tax loss and credit carryovers.