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Business Acquisitions (Details) |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Jun. 10, 2019 USD ($) item | Oct. 31, 2020 USD ($) | Oct. 26, 2019 USD ($) | Oct. 27, 2018 USD ($) | Oct. 31, 2020 USD ($) | Oct. 26, 2019 USD ($) | Oct. 27, 2018 USD ($) | Apr. 30, 2020 USD ($) | Feb. 26, 2020 USD ($)
Business Acquisitions |  |  |  |  |  |  |  |  |
Ownership interest acquired | 100.00% |  |  |  |  |  |  |  |
Fair value of contingent consideration |  |  |  |  |  |  |  |  | $ 2,500,000
Business Combinations, Assets Acquired and Liabilities Assumed at Acquisition Date |  |  |  |  |  |  |  |  |
Goodwill |  | $ 6,340,000 |  |  | $ 6,340,000 |  |  | $ 6,340,000 |
Fair value of consideration transferred: |  |  |  |  |  |  |  |  |
Period of goodwill deduction |  | 15 years |  |  |  |  |  |  |
Supplemental Pro forma Information |  |  |  |  |  |  |  |  |
Amortization of Intangible Assets |  | $ 715,000 | $ 755,000 |  | 1,424,000 | $ 1,327,000 |  |  |
SG&A |  |  |  |  |  |  |  |  |
Business Acquisitions |  |  |  |  |  |  |  |  |
Business acquisitions gain |  |  |  |  |  |  |  | 832,000 |
Supplemental Pro forma Information |  |  |  |  |  |  |  |  |
Acquisition-related costs |  |  | 18,000 |  |  | 359,000 |  |  |
In-process research and development |  |  |  |  |  |  |  |  |
Business Acquisitions |  |  |  |  |  |  |  |  |
Total milestone achievement |  |  |  |  |  |  |  | 1 |
Pulse Aerospace, LLC |  |  |  |  |  |  |  |  |
Business Acquisitions |  |  |  |  |  |  |  |  |
Ownership interest acquired | 100.00% |  |  |  |  |  |  |  |
Amount of cash less closing indebtedness and transaction costs | $ 20,650,000 |  |  |  |  |  |  |  |
Amount of retention to cover post closing indemnification claims | 250,000 |  |  |  |  |  |  |  |
Amount of holdback | $ 1,250,000 |  |  |  |  |  |  |  |
Number of months after closing holdback will be paid | 18 months |  |  |  |  |  |  |  |
Number of research and development milestones | item | 2 |  |  |  |  |  |  |  |
Total milestone achievement | $ 5,000,000 |  |  |  |  |  |  |  |
Contingent consideration | 1,703,000 |  |  |  |  |  |  |  |
Business Combinations, Assets Acquired and Liabilities Assumed at Acquisition Date |  |  |  |  |  |  |  |  |
Inventory | 334,000 |  |  |  |  |  |  |  |
Goodwill | 6,340,000 | $ 6,340,000 |  |  | $ 6,340,000 |  |  | $ 6,340,000 |
Other assets and liabilities assumed | (614,000) |  |  |  |  |  |  |  |
Total net identified assets acquired | 21,880,000 |  |  |  |  |  |  |  |
Fair value of consideration transferred: |  |  |  |  |  |  |  |  |
Cash | 18,677,000 |  |  |  |  |  |  |  |
Holdback | 1,250,000 |  |  |  |  |  |  |  |
Retention | $ 250,000 |  |  |  |  |  |  |  |
Supplemental Pro forma Information |  |  |  |  |  |  |  |  |
Revenue |  |  | 83,271,000 | $ 73,297,000 |  | 170,409,000 | $ 152,610,000 |  |
Net income attributable to AeroVironment |  |  | $ 7,526,000 | $ 5,396,000 |  | $ 23,721,000 | $ 31,781,000 |  |
Pulse Aerospace, LLC | Discount rate |  |  |  |  |  |  |  |  |
Business Acquisitions |  |  |  |  |  |  |  |  |
Measurement input | 4.5 |  |  |  |  |  |  |  |
Pulse Aerospace, LLC | Minimum |  |  |  |  |  |  |  |  |
Business Acquisitions |  |  |  |  |  |  |  |  |
Each milestone achievement | $ 0 |  |  |  |  |  |  |  |
Pulse Aerospace, LLC | Maximum |  |  |  |  |  |  |  |  |
Business Acquisitions |  |  |  |  |  |  |  |  |
Each milestone achievement | 2,500,000 |  |  |  |  |  |  |  |
Pulse Aerospace, LLC | Technology |  |  |  |  |  |  |  |  |
Business Combinations, Assets Acquired and Liabilities Assumed at Acquisition Date |  |  |  |  |  |  |  |  |
Intangible assets | 14,950,000 |  |  |  |  |  |  |  |
Pulse Aerospace, LLC | In-process research and development |  |  |  |  |  |  |  |  |
Business Combinations, Assets Acquired and Liabilities Assumed at Acquisition Date |  |  |  |  |  |  |  |  |
Intangible assets | 550,000 |  |  |  |  |  |  |  |
Pulse Aerospace, LLC | Non-compete agreements |  |  |  |  |  |  |  |  |
Business Combinations, Assets Acquired and Liabilities Assumed at Acquisition Date |  |  |  |  |  |  |  |  |
Intangible assets | $ 320,000 |  |  |  |  |  |  |  |

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- Definition The cash outflow less closing and indebtedness and transaction cost associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References No definition available. + Details
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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -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=116868678&loc=d3e1043-128460 + Details
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- Definition This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition Amount of assets acquired at the acquisition date. + References Reference 1: 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=121647850&loc=d3e4845-128472 + Details
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- Definition Amount of other liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date. + References Reference 1: 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=121647850&loc=d3e4845-128472 + 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=121600890&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=121647850&loc=d3e4845-128472 + Details
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- Definition The amount of inventory 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 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121647850&loc=d3e4845-128472 Reference 2: 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=121600890&loc=d3e2207-128464 + Details
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- Definition The net gains or losses recognized for each transaction with the acquiree that was recognized separately from the acquisition of assets and assumptions of liabilities in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(3) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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