ACQUISITIONS (Details Textuals) $ in Thousands	3 Months Ended
Jan. 31, 2025 USD ($) shares
SVM \| Heico Electronic Technologies Corp
Business Acquisition [Line Items]
Business Acquisition, Name of Acquired Entity	SVM Private Limited
Business Acquisition, Percentage of Voting Interests Acquired	70.00%
Business Acquisition, Description of Acquired Entity	SVM designs and manufactures high-performance electronic passive components and subsystems, including critical magnetic components and busbars, that serve the healthcare and industrial end-markets.
SVM \| Heico Electronic Technologies Corp \| Existing Management
Business Acquisition [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	30.00%
Millennium \| HFSC
Business Acquisition [Line Items]
Business Acquisition, Name of Acquired Entity	Millennium International, LLC
Business Acquisition, Percentage of Voting Interests Acquired	90.00%
Business Acquisition, Description of Acquired Entity	Millennium is an FAA and EASA-certified Part 145 Repair Station, specializing in the repair and support of new generation and legacy avionics systems and components. Millennium offers comprehensive repair, overhaul, retrofit, and exchange services to its customers that include aircraft OEMs, fleet operators, repair businesses, and avionics brokers.
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High \| $	$ 11,500
Stock Issued During Period, Shares, Acquisitions \| shares	53,186
Millennium \| HFSC \| Existing Management
Business Acquisition [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	10.00%

With respect to a business combination completed during the period, this element provides a description of the business, other than the name, which may include the industry, size, products and other important information.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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Number of shares of stock issued during the period pursuant to acquisitions.

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