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Accumulated Other Comprehensive Loss and Reclassifications Adjustments (Details) - USD ($) $ in Thousands | 12 Months Ended
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Apr. 30, 2024 | Apr. 30, 2023 | Apr. 30, 2022
Accumulated other comprehensive income |  |  |
Balance, net of $0 and $8 deferred taxes, as of April 30, 2023 and April 30, 2022, respectively | $ (4,452) |  |
Unrealized gain on available-for-sale investments, net of deferred tax expense of $0 for the nine months ended January 27, 2024 and January 28, 2023, respectively |  | $ 53 | $ (43)
Change in foreign currency translation adjustments | (1,140) | 2,009 | (6,814)
Balance, net of $0 deferred taxes, as of January 27, 2024 and January 28, 2023, respectively | (5,592) | (4,452) |
Available-for-sale securities |  |  |
Accumulated other comprehensive income |  |  |
Balance, net of $0 and $8 deferred taxes, as of April 30, 2023 and April 30, 2022, respectively | (4,452) |  |
Change in foreign currency translation adjustments | (1,140) |  |
Balance, net of $0 deferred taxes, as of January 27, 2024 and January 28, 2023, respectively | (5,592) | (4,452) |
Foreign Currency Translation Adjustments |  |  |
Accumulated other comprehensive income |  |  |
Balance, net of $0 and $8 deferred taxes, as of April 30, 2023 and April 30, 2022, respectively | (4,452) |  |
Change in foreign currency translation adjustments | (1,140) |  |
Balance, net of $0 deferred taxes, as of January 27, 2024 and January 28, 2023, respectively | $ (5,592) | (4,452) |
Accumulated Other Comprehensive Income |  |  |
Accumulated other comprehensive income |  |  |
Unrealized gain on available-for-sale investments, net of deferred tax expense of $0 for the nine months ended January 27, 2024 and January 28, 2023, respectively |  | $ 53 | $ (43)

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