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Income Taxes - Summary of Valuation Allowances Against Deferred Income Taxes (Detail) - USD ($) $ in Thousands | May 02, 2021 | May 03, 2020 | Apr. 28, 2019 | Apr. 29, 2018
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Valuation Allowance [Line Items] |  |  |  |
Valuation allowance | $ 11,674 | $ 3,148 | $ 748 | $ 5,204
U.S. Capital Loss Carry Forwards and Credits [Member] |  |  |  |
Valuation Allowance [Line Items] |  |  |  |
Valuation allowance | 2,330 | 2,281 |  |
U.S. Federal and State [Member] | Deferred Income Tax Assets [Member] |  |  |  |
Valuation Allowance [Line Items] |  |  |  |
Valuation allowance | $ 9,344 | $ 867 |  |

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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- Definition 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. + References No definition available. + Details
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- Details
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- Details
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