Supplemental Information Major Customers (Details) - Revenue from Contract with Customer, Product and Service Benchmark [Member] - Customer Concentration Risk	12 Months Ended
Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2021
Largest Customer [Member]
Percentage of Net Sales from Major Customers [Abstract]
Concentration Risk, Percentage	14.00%	14.00%	19.00%
Second Largest Customer [Member]
Percentage of Net Sales from Major Customers [Abstract]
Concentration Risk, Percentage	12.00%	12.00%	13.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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