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Income Taxes
3 Months Ended
Jul. 31, 2019
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes

The effective income tax rate for the three-month periods ended July 31, 2019 and 2018 was 26.0% and 23.8%, respectively. The increase in the effective tax rate for the first quarter of the current year as compared to the same period in the prior year was primarily due to a decrease in the benefit from stock-based compensation transactions. During the first three months of fiscal 2020 and 2019, the Company recognized an excess tax benefit related to stock-based compensation transactions of $0.1 million and $0.7 million, respectively.