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Income Taxes
6 Months Ended
Sep. 30, 2023
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
Income tax expense and the effective income tax rate were as follows:
Three Months Ended September 30,Six Months Ended September 30,
2023202220232022
Income tax expense$55,770 $27,394 $73,582 $39,547 
Effective income tax rate23.8 %21.2 %23.3 %21.3 %

The tax provisions during the three and six months ended September 30, 2023, and 2022 were computed using the estimated effective income tax rate applicable to each of the domestic and foreign taxable jurisdictions for the fiscal years ending March 31, 2024 (current fiscal year), and March 31, 2023, respectively, and were adjusted for discrete items that occurred within the periods presented above.

During the three and six months ended September 30, 2023, the net increase in the effective income tax rate, compared to the prior period, was primarily due to changes in the jurisdictional mix of worldwide income before income taxes, and slightly lower net discrete tax benefits.