Comprehensive Income - Components of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	Apr. 30, 2024	Apr. 30, 2023
Equity [Abstract]
Foreign currency translation adjustments	$ (116,004)	$ (96,860)
Deferred compensation and pension plan adjustments, net of taxes	8,370	4,381
Marketable securities unrealized loss, net of tax	(37)	(285)
Accumulated other comprehensive loss, net	$ (107,671)	$ (92,764)

Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source.

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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant