Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481520/505-30-50-4

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Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-Subparagraph (a)
-Publisher FASB
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Capital Stock and Changes in Capital Accounts - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2026	Jul. 31, 2025	Apr. 30, 2020
Equity, Class of Treasury Stock [Line Items]
Total dividend	$ 18,167	$ 18,985
Share Repurchase Program In 2020
Equity, Class of Treasury Stock [Line Items]
Share repurchase program, authorized, amount			$ 200,000
Share Repurchase Program In 2026
Equity, Class of Treasury Stock [Line Items]
Share repurchase program, authorized, amount		$ 250,000
Remaining amount authorized to be repurchased under the share repurchase program	$ 192,400