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Business Acquisitions - ISG (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Feb. 23, 2021 | Oct. 30, 2021 | Oct. 31, 2020 | Oct. 30, 2021 | Oct. 31, 2020 | Apr. 30, 2021
Business Acquisitions |  |  |  |  |  |
Goodwill |  | $ 335,888 |  | $ 335,888 |  | $ 314,205
Supplemental Pro Forma Information (unaudited) |  |  |  |  |  |
Revenue |  |  | $ 116,123 |  |  |
Net income (loss) |  |  | 4,151 |  |  |
Intelligent Systems Group |  |  |  |  |  |
Business Acquisitions |  |  |  |  |  |
Total | $ 29,700 |  |  |  |  |
Contingent consideration paid | 6,000 |  |  |  |  | $ 6,000
Additional cash consideration paid |  | 2,000 |  |  |  |
Acquisition-related costs |  | $ 85 |  | $ 736 |  |
Other assets | 217 |  |  |  |  |
Goodwill | 19,254 |  |  |  |  |
Total assets acquired | 35,371 |  |  |  |  |
Fair value of consideration transferred: |  |  |  |  |  |
Cash | 29,700 |  |  |  |  |
Holdback | 150 |  |  |  |  |
Contingent consideration | 5,521 |  |  |  |  |
Total paid | 35,371 |  |  |  |  |
Supplemental Pro Forma Information (unaudited) |  |  |  |  |  |
Revenue |  |  | 95,548 |  | $ 185,881 |
Net income (loss) |  |  | $ 2,400 |  | $ 12,786 |
Intelligent Systems Group | Technology |  |  |  |  |  |
Business Acquisitions |  |  |  |  |  |
Intangible assets | 11,400 |  |  |  |  |
Intelligent Systems Group | Customer relationships |  |  |  |  |  |
Business Acquisitions |  |  |  |  |  |
Intangible assets | $ 4,500 |  |  |  |  |

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- Definition The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=123586518&loc=d3e1043-128460 + Details
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- Definition The amount of identifiable intangible assets recognized as of the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=123455525&loc=d3e2207-128464 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123413009&loc=d3e4845-128472 + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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