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Fair Value Measurements (Tables) | 3 Months Ended
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Jul. 29, 2023
Fair Value Disclosures [Abstract] |
Schedule of Fair Value Hierarchy | The following table presents the fair value hierarchy for those assets and liabilities we measured at fair value on a recurring basis at July 29, 2023 and April 29, 2023. There were no transfers into or out of Level 1, Level 2, or Level 3 for any of the periods presented.
At July 29, 2023 |  |  |  |  |  |  |  |  |  |
|  | Fair Value Measurements
(Unaudited, amounts in thousands) |  | Level 1 |  | Level 2 |  | Level 3 |  | NAV(1) |  | Total
Assets |  |  |  |  |  |  |  |  |  |
Marketable securities |  | $ | — |  |  | $ | 11,815 |  |  | $ | — |  |  | $ | 10,694 |  |  | $ | 22,509 |
Held-to-maturity investments |  | 1,349 |  |  | — |  |  | — |  |  | — |  |  | 1,349 |
Total assets |  | $ | 1,349 |  |  | $ | 11,815 |  |  | $ | — |  |  | $ | 10,694 |  |  | $ | 23,858 |
At April 29, 2023 |  |  |  |  |  |  |  |  |  |
|  | Fair Value Measurements
(Unaudited, amounts in thousands) |  | Level 1 |  | Level 2 |  | Level 3 |  | NAV(1) |  | Total
Assets |  |  |  |  |  |  |  |  |  |
Marketable securities |  | $ | — |  |  | $ | 16,557 |  |  | $ | — |  |  | $ | 6,995 |  |  | $ | 23,552 |
Held-to-maturity investments |  | 1,351 |  |  | — |  |  | — |  |  | — |  |  | 1,351 |
Total assets |  | $ | 1,351 |  |  | $ | 16,557 |  |  | $ | — |  |  | $ | 6,995 |  |  | $ | 24,903 |
(1)Certain marketable securities investments are measured at fair value using net asset value per share under the practical expedient methodology.

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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