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Intangible Asset - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands | Feb. 02, 2020 | Apr. 28, 2019 | Jan. 27, 2019 | Apr. 29, 2018
--- | --- | --- | --- | ---
Intangible Assets [Line Items] |  |  |  |  |
Tradenames | $ 4,804 | $ 7,232 |  | $ 7,232 | $ 683
Intangible assets | 7,738 | 10,448 | [1] | 10,542 |
Customer Relationships [Member] |  |  |  |  |
Intangible Assets [Line Items] |  |  |  |  |
Finite-lived intangible assets, net | 2,313 | 2,538 |  | 2,613 | 2,839
Non-Compete Agreement [Member] |  |  |  |  |
Intangible Assets [Line Items] |  |  |  |  |
Finite-lived intangible assets, net | $ 621 | $ 678 |  | $ 697 | $ 753
[1] | Derived from audited financial statements.

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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trade name to gain or protect exclusive use thereof for a projected indefinite period of benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 + Details
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