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Fair Value Measurement - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - Fair value, recurring - USD ($) $ in Thousands | Apr. 30, 2022 | May 01, 2021
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Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash and cash equivalents | $ 17,143 | $ 77,590
Restricted cash | 865 | 2,812
Derivatives - asset position | 934 | 4
Derivatives - liability position | (311) | (261)
Acquisition-related contingent consideration |  | (363)
Fair value, net asset (liability), total | 22,651 | 79,782
US Government Securities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Investments | 3,486 |
US Government Sponsored entities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Investments | 534 |
Level 1 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash and cash equivalents | 17,143 | 77,590
Restricted cash | 865 | 2,812
Derivatives - asset position | 0 | 0
Derivatives - liability position | 0 | 0
Acquisition-related contingent consideration |  | 0
Fair value, net asset (liability), total | 21,494 | 80,402
Level 1 | US Government Securities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Investments | 3,486 |
Level 1 | US Government Sponsored entities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Investments | 0 |
Level 2 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash and cash equivalents | 0 | 0
Restricted cash | 0 | 0
Derivatives - asset position | 934 | 4
Derivatives - liability position | (311) | (261)
Acquisition-related contingent consideration |  | 0
Fair value, net asset (liability), total | 1,157 | (257)
Level 2 | US Government Securities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Investments | 0 |
Level 2 | US Government Sponsored entities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Investments | 534 |
Level 3 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash and cash equivalents | 0 | 0
Restricted cash | 0 | 0
Derivatives - asset position | 0 | 0
Derivatives - liability position | 0 | 0
Acquisition-related contingent consideration |  | (363)
Fair value, net asset (liability), total | 0 | $ (363)
Level 3 | US Government Securities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Investments | 0 |
Level 3 | US Government Sponsored entities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Investments | $ 0 |

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- Definition Amount of liability recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116859824&loc=d3e6819-128478 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476 + Details
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + 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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- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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