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Income Taxes
 9 Months Ended
Sep. 30, 2024
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
The Company's effective income tax rate is based on estimated income for the year, the estimated composition of the income in different jurisdictions and discrete adjustments, if any, in the applicable quarterly periods. Potential discrete adjustments include tax charges or benefits related to stock-based compensation, changes in tax legislation, settlements of tax audits or assessments, uncertain tax positions and acquisitions, among other items.

The Company’s effective income tax rate was 14.9% and 15.6% for the nine months ended September 30, 2024 and 2023, respectively. The lower effective tax rate for the nine months ended September 30, 2024 was primarily due to an increase in the excess tax benefit related to stock-based compensation and an increase in the benefit of U.S. federal and state research and development credits. These amounts were partially offset by a decrease in foreign income taxed at lower rates and the impact of the enactment of a 15% global minimum corporate income tax by Organisation for Economic Co-operation and Development ("OECD") member countries which impacted the Company beginning January 1, 2024.

For the nine months ended September 30, 2024, the effective income tax rate was lower than the federal statutory tax rate due to the excess tax benefit related to stock-based compensation, foreign income taxed at lower rates and the benefit of U.S. federal, state and foreign research and development credits. These amounts were partially offset by non-deductible stock-based compensation and the adoption of a 15% global minimum corporate income tax by certain OECD member countries.
For the nine months ended September 30, 2023, the effective income tax rate was lower than the federal statutory tax rate due to foreign income taxed at lower rates and the benefit of U.S. federal, state and foreign research and development credits. These amounts were partially offset by non-deductible stock-based compensation and a shortfall related to stock-based compensation.