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SELECTED FINANCIAL STATEMENT INFORMATION (Details Textuals) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Jul. 31, 2022 | Jul. 31, 2021 | Jul. 31, 2022 | Jul. 31, 2021 | May 31, 2022 | Oct. 31, 2021
Selected Financial Statement Information (Details) [Abstract] |  |  |  |  |  |
Accrued customer rebates and credits | $ 17.5 |  | $ 17.5 |  |  | $ 13.2
Total customer rebates and credits deducted within net sales | $ 2.2 | $ 0.7 | $ 5.9 | $ 2.5 |  |
Accurate | Heico Flight Support Corp |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired | 96.00% |  | 96.00% |  |  |
Pioneer | Heico Flight Support Corp |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired | 74.00% |  | 74.00% |  |  |
FY 2017 Acquisition [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  |  | 9.95% |
FY 2017 Acquisition [Member] | Existing Noncontrolling Interest Holders |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners |  |  |  |  | 19.90% |
FY 2017 Acquisition [Member] | Heico Corp |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent |  |  |  |  | 90.05% |
FY 2015 Acquisition |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Percentage of Voting Interests Sold | 3.00% |  | 3.00% |  |  |
FY 2015 Acquisition | Heico Corp |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent | 82.00% |  | 82.00% |  |  |
FY 2018 Acquisition |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Percentage of Voting Interests Sold | 10.00% |  | 10.00% |  |  |
FY 2018 Acquisition | Heico Corp |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent | 90.00% |  | 90.00% |  |  |

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- Definition Carrying value as of the balance sheet date of accrued customer rebates and credits. + References No definition available. + Details
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- Definition The total customer rebates and credits expense deducted within net sales. + 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 https://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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