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SELECTED FINANCIAL STATEMENT INFORMATION (Details Textuals) - USD ($)
$ in Thousands
3 Months Ended
Jan. 31, 2023
Jan. 31, 2022
Oct. 31, 2022
Selected Financial Statement Information (Details) [Abstract]      
Accrued customer rebates and credits $ 19,300   $ 17,900
Total customer rebates and credits deducted within net sales $ 2,200 $ 1,700  
Exxelia [Member] | Heico Electronic Technologies Corp      
Business Acquisition [Line Items]      
Business Acquisition, Percentage of Voting Interests Acquired 93.69%    
Alcon [Member] | Heico Electronic Technologies Corp      
Business Acquisition [Line Items]      
Business Acquisition, Percentage of Voting Interests Acquired 90.00%    
FY 2015 Acquisition [Member] | Flight Support Group [Member] | Flight Support Group [Member]      
Business Acquisition [Line Items]      
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners 19.90%    
Noncontrolling Interest, Ownership Percentage by Parent 85.10%