Income Taxes	6 Months Ended
	Oct. 31, 2021
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The effective income tax rate for the three- and six-month period ended October 31, 2021 was 12.1% and 23.1%, respectivley, compared with 25.5% and 26.0% in the comparable period in the prior fiscal year. The effective rates for the three-and six-month periods ended October 31, 2021 were lower than the comparable period in the prior fiscal year due to the impact of discrete items on lower pretax income.