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Income Taxes
9 Months Ended
Sep. 30, 2022
Income Taxes [Abstract]  
Income Taxes Note 6. Income Taxes

As required by ASC 740, we compute interim period income taxes by applying an anticipated annual effective tax rate to our year-to-date income or loss from operations before income taxes, except for significant unusual or infrequently occurring items. Our estimated tax rate is adjusted each quarter in accordance with ASC 740. The effective tax rate on income was 28.2 percent and 24.3 percent for the three months ended September 30, 2022 and 2021, respectively, and 26.5 percent and 24.4 percent for nine months ended September 30, 2022 and 2021, respectively. The increase in the effective tax rate for both the three and nine months ended September 30, 2022 compared to 2021 is primarily due to share-based awards and impairment of goodwill and intangible assets, offset, in part, by income tax credits and state income taxes.

We are subject to taxation in the United States, various states and foreign jurisdictions. Substantially all of our income before income taxes for the nine months ended September 30, 2022 and 2021 was generated in the United States.