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Income Taxes	9 Months Ended
Income Taxes	Sep. 30, 2013
Income Tax Disclosure [Abstract]
Income Taxes	6. Income Taxes As of September 30, 2013, an unrecognized tax benefit of $3.4 million was recorded in income tax payable, which, if recognized, would decrease the Company’s effective tax rate. All of the Company’s unrecognized tax benefit is due to the settlement with the United States of America, which was announced September 30, 2011.

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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