Income Taxes - Summary of Change in Valuation Allowances Against U.S. Net Deferred Income Tax Assets (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
May 03, 2026 |
Apr. 27, 2025 |
Apr. 28, 2024 |
|
| Income Tax Disclosure [Abstract] | |||
| Beginning balance | $ 26,303 | $ 22,004 | $ 18,675 |
| Change in valuation allowance associated with current year earnings | 2,633 | 4,162 | 3,318 |
| Change in estimate during current year | (256) | 137 | 11 |
| Ending balance | $ 28,680 | $ 26,303 | $ 22,004 |