Deferred Compensation and Retirement Plans - Schedule of Weighted-Average Assumptions Used In Calculating The Medical and Life Insurance Plan (Details) - Medical And Life Insurance Benefits - Hay Group	Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2023
Defined Benefit Plan Disclosure [Line Items]
Discount rate, beginning of year	5.13%	5.15%	5.62%	4.85%
Discount rate, end of year	5.13%	5.15%	5.62%	4.85%
Healthcare care cost trend rate	6.50%	6.75%	6.50%

Deferred Compensation and Retirement Plans - Schedule of Weighted-Average Assumptions Used In Calculating The Medical and Life Insurance Plan (Details) - Medical And Life Insurance Benefits - Hay Group

Apr. 30, 2026

Apr. 30, 2025

Apr. 30, 2024

Apr. 30, 2023

Defined Benefit Plan Disclosure [Line Items]

Discount rate, beginning of year

5.13%

5.15%

5.62%

4.85%

Discount rate, end of year

5.13%

5.15%

5.62%

4.85%

Healthcare care cost trend rate

6.50%

6.75%

6.50%

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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+ Details