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Accumulated Other Comprehensive Income and Reclassifications Adjustments (Details) - USD ($) $ in Thousands | 3 Months Ended
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Jul. 31, 2021 | Aug. 01, 2020
Accumulated other comprehensive loss |  |
Beginning Balance | $ 343 |
Unrealized loss on available-for-sale investments, net of deferred tax benefit of $0 and $4 for the three months ended July 31, 2021 and August 1, 2020, respectively | (4) | $ (52)
Change in foreign currency translation adjustments | (733) | 75
Ending Balance | (394) |
Accumulated Other Comprehensive Income |  |
Accumulated other comprehensive loss |  |
Beginning Balance | 343 | 328
Unrealized loss on available-for-sale investments, net of deferred tax benefit of $0 and $4 for the three months ended July 31, 2021 and August 1, 2020, respectively | (4) | (52)
Change in foreign currency translation adjustments | (733) | 75
Ending Balance | $ (394) | $ 351

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