Income Taxes - Undistributed Earnings - Narrative (Detail) - USD ($) $ in Millions	9 Months Ended
Jan. 26, 2025	Apr. 28, 2024	Jan. 28, 2024
Income Tax Disclosure [Abstract]
Dividends received deduction percentage for earnings and profits received from foreign corporation	100.00%
Dividends received deduction, foreign corporation ownership percentage	10.00%
Deferred tax liability, undistributed earnings from foreign subsidiaries	$ 5.1	$ 4.8	$ 4.7

Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiary and other recognized entity not within country of domicile. Includes, but is not limited to, other basis differences.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-6

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant