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Note 8 - Income Taxes
3 Months Ended
Mar. 31, 2020
Notes to Financial Statements  
Income Tax Disclosure [Text Block]

8.

Income Taxes

 

Our effective income tax rate was 26.5% for the three months ended March 31, 2020, compared to 22.7% for the three months ended March 31, 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 quarter 2019 included the effect of a favorable settlement of a state income tax audit.

 

At March 31, 2020, we had a total of $52.9 million in gross unrecognized tax benefits, which are a component of other long-term liabilities in our Condensed Consolidated Balance Sheets. Of this amount, $43.6 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 $4.2 million at March 31, 2020.