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Income Taxes	3 Months Ended
Income Taxes	Mar. 31, 2013
Income Taxes
Income Taxes	6. Income Taxes Our effective income tax rates for the three months ended March 31, 2013 and 2012 were 29.5% and 33.2%, respectively. Our 2013 three-month period effective income tax rate was favorably impacted from the settlement of certain tax matters.

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

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+ Details