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Fair Value - Narrative (Detail) - USD ($) | Aug. 03, 2025 | Apr. 27, 2025 | Jul. 28, 2024
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Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |  |  |
Investments (Rabbi Trust) - available for sale | $ 7,100,000 | $ 7,000,000 |  | $ 8,000,000
Short-term investments (Rabbi Trust) - available for sale | 1,395,000 | 1,325,000 | [1] | 954,000
Long-term investments (Rabbi Trust) - available for sale | 5,700,000 | 5,700,000 |  | 7,100,000
Accumulated unrealized gain (loss) on investments | $ 292,000 | $ 150,000 |  | $ 198,000
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[1] | Derived from audited consolidated financial statements.

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