Stock Appreciation Rights, Deferred Compensation and Redeemable Noncontrolling Interests (Details) - USD ($) $ in Thousands	6 Months Ended
Oct. 31, 2024	Oct. 31, 2023	Apr. 30, 2024
Selling, general and administrative expenses
Deferred Compensation Liability, Current and Noncurrent [Roll Forward]
Expense related to equity based compensation arrangements	$ 1,800	$ 2,300
Stock Appreciation Rights
Deferred Compensation Liability, Current and Noncurrent [Roll Forward]
Award liability as of beginning of period	36,013
Amounts redeemed	(3,388)
Change in fair value	640
Award liability as of end of period	33,265
Current liabilities related to plans	17,289		$ 11,038
Long-term liabilities related to plans	15,976		24,975
Deferred Compensation
Deferred Compensation Liability, Current and Noncurrent [Roll Forward]
Award liability as of beginning of period	2,060
Amounts redeemed	(785)
Change in fair value	173
Award liability as of end of period	1,448
Current liabilities related to plans	1,448		733
Long-term liabilities related to plans	0		1,327
Redeemable Noncontrolling Interests
Deferred Compensation Liability, Current and Noncurrent [Roll Forward]
Award liability as of beginning of period	10,259
Amounts redeemed	(3,935)
Change in fair value	942
Award liability as of end of period	7,266
Current liabilities related to plans	7,266		3,666
Long-term liabilities related to plans	$ 0		$ 6,593

Deferred Compensation Liability, Current and Noncurrent

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- Definition

Amount of expense on certain equity based compensation arrangements, such as stock appreciation rights, deferred compensation agreements and liabilities to noncontrolling interest holders.

+ References

No definition available.

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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for stock option plans and other equity-based compensation arrangements payable within one year (or the operating cycle, if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(20))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for stock option plans and other equity-based compensation arrangements payable after one year (or the operating cycle, if longer).

+ References

No definition available.

+ Details

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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for stock option plans and other equity-based compensation arrangements.

+ References

No definition available.

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- Definition

Amount of addition (reduction) to the amount at which a liability could be incurred (settled) in a current transaction between willing parties.

+ References

No definition available.

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- Definition

Amount of cash paid to settle liability for award under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (d)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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