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Income Taxes	9 Months Ended
Income Taxes	Sep. 30, 2013
Income Taxes
Income Taxes	13. Income Taxes During the third quarter of 2013, the Company settled cases involving its 2005 through 2008 federal income tax returns at the Internal Revenue Service Appeals Office. Settlement of the examination of these tax years resulted in a $26 million decrease to the liability for unrecognized tax benefits, reducing the balance to zero.

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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