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Income Taxes	3 Months Ended
Income Taxes	Mar. 31, 2014
Income Taxes
Income Taxes	Q. Our effective tax rate was 5 percent and 16 percent for the three months ended March 31, 2014 and 2013, respectively, primarily due to the decrease in the valuation allowance resulting from the partial utilization of our U.S. Federal net operating loss carryforward. The effective tax rate includes a $15 million and $12 million state income tax benefit on uncertain tax positions primarily due to the expiration of applicable statutes of limitation for the three months ended March 31, 2014 and 2013, respectively. As a result of expirations of applicable statutes of limitations in various jurisdictions expected to transpire or occur within the next 12 months, the Company anticipates that it is reasonably possible that the liability for uncertain tax positions could be reduced by approximately $3 million.

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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