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Income Taxes
9 Months Ended
Jan. 31, 2023
Income Tax Disclosure [Abstract]  
Income Taxes
The effective income tax rates for the three months ended January 31, 2023 and 2022, were 24.3 and 36.4 percent, respectively, and for the nine months ended January 31, 2023 and 2022, were 23.9 and 26.4 percent, respectively. During the three and nine months ended January 31, 2023, the effective income tax rates varied from the U.S. statutory income tax rate of 21.0 percent primarily due to the impact of state income taxes. The effective income tax rates for the three and nine months ended January 31, 2022, varied from the U.S. statutory income tax rate due to the impact of state income taxes, including an unfavorable one-time deferred tax impact of an internal legal entity simplification.
Within the next 12 months, it is reasonably possible that we could decrease our unrecognized tax benefits by an estimated $1.1, primarily as a result of the expiration of statute of limitation periods.