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Income Taxes	9 Months Ended
	Jan. 31, 2020
Income Taxes [Abstract]
Income Taxes	Note 13 — Income Taxes The effective tax rate for the three months ended January 31, 2020 was 20.7%, compared with 22.7% for the three months ended January 31, 2019. The effective tax rate for the nine months ended January 31, 2020 was 20.3% compared with 22.6% for the nine months ended January 31, 2019. The rates for the three and nine months ended January 31, 2020 were lower than the rates for the three and nine months ended January 31, 2019 due to certain discrete items, primarily the release of certain reserves in connection with the expiration of the statute of limitations, as well as, to a lesser extent a more favorable earnings mix. The decrease in the rate for the nine months ended January 31, 2020 compared to the prior year was also due to a tax-free life insurance recovery.

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- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-URI http://asc.fasb.org/topic&trid=2144680

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