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Note 8 - Income Taxes
9 Months Ended
Sep. 30, 2020
Notes to Financial Statements  
Income Tax Disclosure [Text Block]

8.

Income Taxes

 

Our effective income tax rate was 23.3% for the three months ended September 30, 2020, compared to 23.9% for the three months ended September 30, 2019. Our effective income tax rate was 24.9% for the first nine months of 2020, compared to 23.9% in 2019. 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. Our effective income tax rate for the first nine months of 2019 included the effect of a favorable settlement of a state income tax audit.

 

At September 30, 2020, we had a total of $55.2 million in gross unrecognized tax benefits, which are a component of other long-term liabilities on our Condensed Consolidated Balance Sheets. Of this amount, $45.4 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 $5.5 million at September 30, 2020.