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Income Taxes
3 Months Ended
Mar. 31, 2024
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes (in thousands, except percentages)
 Three Months Ended March 31,
 20242023
Income before income taxes$722,761 $496,724 
Provision for income taxes85,069 60,251 
Effective tax rate11.8 %12.1 %
    The decrease in the effective tax rates in the three months ended March 31, 2024, as compared to the same period in 2023, was primarily due to a favorable change in the jurisdictional mix of earnings.