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Income Taxes	9 Months Ended
Income Taxes	Sep. 30, 2013
Income Taxes [Abstract]
Income Taxes	NOTE F – Income Taxes Our tax provision for interim periods is determined using an estimate of our annual effective tax rate, adjusted for discrete items, if any, that are taken into account in the relevant period. Each quarter we update our estimate of the annual effective tax rate, and if our estimated tax rate changes, we make a year to date adjustment. Our effective tax rates for the nine months ended September 30, 2013 and 2012 were 38.5% and 39.4%, respectively. The primary difference in the effective rate and the statutory rate is due to state income taxes.

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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