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Fair Value Measurements - (Details) - USD ($) $ in Thousands |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Feb. 23, 2021 | Apr. 30, 2021 | Jan. 29, 2022 | Oct. 30, 2021
Fair Value Measurement |  |  |  |
Available for sale securities |  | $ 36,959 |  | $ 6,311
Intelligent Systems Group |  |  |  |
Fair Value Measurement |  |  |  |
Contingently returnable consideration |  | 479 |  |
Contingent consideration |  | (5,521) |  |
Contingent consideration paid | $ 6,000 | 6,000 |  |
Fair value of contingent consideration |  | 5,521 |  |
Released from escrow |  |  | $ 2,000 |
Recurring basis |  |  |  |
Fair Value Measurement |  |  |  |
Available for sale securities |  | 36,959 |  | 6,311
Contingently returnable consideration |  | 479 |  | 289
Total |  | 37,438 |  | 6,600
Contingent consideration |  |  |  | (889)
Total |  |  |  | 889
Fair value of contingent consideration |  |  |  | 889
Recurring basis | Significant other observable inputs (Level 2) |  |  |  |
Fair Value Measurement |  |  |  |
Available for sale securities |  | 36,959 |  | 6,311
Total |  | 36,959 |  | 6,311
Recurring basis | Significant unobservable inputs (Level 3) |  |  |  |
Fair Value Measurement |  |  |  |
Contingently returnable consideration |  | 479 |  | 289
Total |  | $ 479 |  | 289
Contingent consideration |  |  |  | (889)
Total |  |  |  | 889
Fair value of contingent consideration |  |  |  | $ 889

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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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- Definition The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 954 -SubTopic 440 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6491277&loc=d3e6429-115629 + Details
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