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Fair Value - Narrative (Detail) - USD ($) | Jan. 29, 2023 | May 01, 2022 | Jan. 30, 2022
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Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |  |  |
Short-term investments - available for sale |  |  |  | $ 438,000
Amortized cost of held-to-maturity investments |  |  |  | 10,000,000.0
Fair value of held-to-maturity investments |  |  |  | 9,800,000
Investments (Rabbi Trust) - available for sale | $ 10,100,000 | $ 9,400,000 |  | 9,200,000
Long-term investments (Rabbi Trust) - available for sale | 7,725,000 | 9,357,000 | [1] | 9,223,000
Long-term investments (Rabbi Trust) - available for sale | 7,700,000 | 9,400,000 |  | 9,200,000
Short-term investments (Rabbi Trust) - available for sale | 2,420,000 |  |  |
Fair value of right of use assets held for sale | 2,000,000.0 |  |  |
Short-term Investments [Member] |  |  |  |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |  |  |
Accumulated unrealized loss on investments |  |  |  | 2,000
Investments (Rabbi Trust) [Member] |  |  |  |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |  |  |
Accumulated unrealized gain (loss) on investments | $ 21,000 | $ 32,000 |  | $ 90,000
[1] | Derived from audited financial statements.

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