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Fair Value of Financial Instruments - Nonrecurring Basis (Detail) - Fair Value, Measurements, Nonrecurring [Member] - USD ($) $ in Thousands | May 02, 2021 | May 03, 2020
--- | --- | ---
Trade Names [Member] |  |
Assets: |  |
Tradename |  | $ 540
Significant Unobservable Inputs - Level 3 [Member] | Trade Names [Member] |  |
Assets: |  |
Tradename |  | $ 540
CIH [Member] |  |
Assets: |  |
Right of use assets | $ 2,544 |
Equipment and leasehold improvements | 846 |
Inventory | 31 |
CIH [Member] | Significant Other Observable Inputs - Level 2 [Member] |  |
Assets: |  |
Right of use assets | 2,544 |
CIH [Member] | Significant Unobservable Inputs - Level 3 [Member] |  |
Assets: |  |
Equipment and leasehold improvements | 846 |
Inventory | $ 31 |

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- Definition Fair value portion of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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