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SELECTED FINANCIAL STATEMENT INFORMATION (Details Textuals) - USD ($)
$ in Thousands
3 Months Ended
Jan. 31, 2025
Jan. 31, 2024
Oct. 31, 2024
Selected Financial Statement Information (Details) [Abstract]      
Accrued customer rebates and credits $ 28,300   $ 24,300
Total customer rebates and credits deducted within net sales $ 4,300 $ 3,500  
SVM | Heico Electronic Technologies Corp      
Business Acquisition [Line Items]      
Business Acquisition, Percentage of Voting Interests Acquired 70.00%    
FY 2015 Acquisition [Member] | Flight Support Group [Member]      
Business Acquisition [Line Items]      
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners 19.90%    
Noncontrolling Interest, Ownership Percentage by Parent 95.03%    
Millennium | HFSC      
Business Acquisition [Line Items]      
Business Acquisition, Percentage of Voting Interests Acquired 90.00%