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Note 8 - Income Taxes

3 Months Ended

Mar. 31, 2015

8.	Income Taxes

Our effective income tax rate was 38.10% for the three months ended March 31, 2015 and March 31, 2014. In determining our quarterly provision for income taxes, we use an estimated annual effective tax rate, adjusted for discrete items. This rate is based on our expected annual income, statutory tax rates, best estimate of nontaxable and nondeductible items of income and expense, and the ultimate outcome of tax audits.

At March 31, 2015, we had a total of $32.4 million in gross unrecognized tax benefits, which are a component of other long-term liabilities on our balance sheet. Of this amount, $21.0 million represents the amount of unrecognized tax benefits that, if recognized, would impact our effective tax rate. The total amount of accrued interest and penalties for such unrecognized tax benefits was $3.9 million at March 31, 2015.

- Definition

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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