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Accumulated Other Comprehensive Income and Reclassifications Adjustments (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Aug. 01, 2020	Jul. 27, 2019	Apr. 30, 2020	Apr. 30, 2019
Accumulated other comprehensive loss
Balance, net of $0 deferred taxes, as of April 30, 2020 and April 30, 2019	$ 328
Balance, net of $4 and $0 deferred taxes, as of August 1, 2020 and July 27, 2019, respectively	351		$ 328
Unrealized loss on investments, net of deferred tax expense	4
Accumulated Other Comprehensive Income
Accumulated other comprehensive loss
Balance, net of $0 deferred taxes, as of April 30, 2020 and April 30, 2019	328	$ 2	2
Changes in foreign currency translation adjustments	75	169
Unrealized losses, net of $4 of deferred taxes for the three months ended August 1, 2020	(52)
Balance, net of $4 and $0 deferred taxes, as of August 1, 2020 and July 27, 2019, respectively	351	171	328	$ 2
Other comprehensive income, tax	4	$ 0	$ 0	$ 0
Unrealized loss on investments, net of deferred tax expense	$ 4

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- Definition

Amount net of taxes of other comprehensive income (loss) unrealized.

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Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Amount of tax expense (benefit), after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities, attributable to parent entity. Excludes amounts related to other than temporary impairment (OTTI) loss.

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Amount of tax expense (benefit) allocated to other comprehensive income (loss).

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