Defined contributions plan contributions by employer.

No definition available.

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- Definition

Amount of contribution received by defined benefit plan from employer which increases plan assets.

+ References

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+ Details

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- 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.

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- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

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- Definition

Percentage employer matches of the employee's percentage contribution matched.

+ References

No definition available.

+ Details

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- Definition

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

+ References

No definition available.

+ Details

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- Definition

Description of defined contribution pension and other postretirement plans.

+ References

No definition available.

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- Definition

The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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- Details

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Employer Sponsored Benefit Plans - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2024
Defined Contribution Plan Disclosure [Line Items]
General And Administrative	$ 59,999	$ 54,933	$ 63,133
Contributory Defined Investment Plan
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plan, employee contribution percentage	100.00%
Defined contribution plan, matching contribution percentage	6.00%
Deferred compensation plan description	We offer two contributory defined investment plans covering substantially all employees, subject to service requirements. Employees may contribute up to 100% of their annual pay, depending on the plan. We generally make discretionary matching contributions of up to 50% of the first 6% of employee contributions to the plan.
Employer contribution to defined benefit plan	$ 2,300	$ 2,400	2,700
Contributory Defined Investment Plan \| Maximum
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plan, matching contribution percentage of match		50.00%
Nonelective Contribution Sharing Plan
Defined Contribution Plan Disclosure [Line Items]
General And Administrative	$ 5,200
Employer contribution to defined benefit plan		$ 4,600	$ 9,100