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Restructuring Activities - Summary of Activity in Accrued Restructuring (Parenthetical) (Detail) - USD ($) | Aug. 03, 2025 | Apr. 27, 2025 | Jul. 28, 2024 | Apr. 28, 2024
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Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Accrued restructuring | $ 105,000 | $ 610,000 | $ 633,000 | $ 3,000 | [1]
Shanghai, China [Member] | Accrued Expenses [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Accrued restructuring |  |  |  | $ 3,000 |
[1] | (1) Accrued restructuring expense of $3,000 was reported within accrued expenses in the Consolidated Balance Sheet for the period ended April 28, 2024.

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