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FAIR VALUE MEASUREMENTS (Details Textuals)
$ in Thousands, $ in Thousands
 9 Months Ended
Jul. 31, 2024
USD ($)
Jul. 31, 2023
USD ($)
Jul. 31, 2024
CAD ($)
Apr. 30, 2024
USD ($)
Oct. 31, 2023
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Total liabilities $ 29,253       $ 71,136
Accrued Liabilities, Current 399,485       433,101
Change in value of contingent consideration (10,892) $ 1,218      
Business Combination, Reversal of Remaining Contingent Consideration, Liability $ 0 9,057      
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Selling, General and Administrative Expense        
Indefinite-Lived Intangible Assets [Line Items]          
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) $ 6,000 $ 0      
FY2022 Acquisition Subsidiary 1 | Electronic Technologies Group [Member]          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High $ 12,100        
Business Acquisition, Percentage of Voting Interests Acquired 80.36%   80.36%    
Total liabilities         5,500
FY2020 Acquisition Subsidiary 1 | Electronic Technologies Group [Member]          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High $ 9,800        
Business Acquisition, Percentage of Voting Interests Acquired 89.99%   89.99%    
Total liabilities $ 8,100        
FY2020 Acquisition Subsidiary 1 | Canada, Dollars | Electronic Technologies Group [Member]          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High     $ 13,500    
Total liabilities     $ 11,200    
FY 2017 Acquisition [Member] | Electronic Technologies Group [Member]          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Change in value of contingent consideration 20,000        
FY2022 Acquisition Subsidiary 2 | Flight Support Group [Member]          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High $ 27,400        
Business Acquisition, Percentage of Voting Interests Acquired 96.00%   96.00%    
Total liabilities $ 21,100        
FY2022 Acquisition Subsidiary 3 | Flight Support Group [Member]          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High $ 14,100        
Business Acquisition, Percentage of Voting Interests Acquired 74.00%   74.00%    
FY2023 Acquisition Subsidiary 1 | Flight Support Group [Member]          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High $ 17,500        
Business Combination, Contingent Consideration, Liability, Current 11,000     $ 11,000 17,300
Electronic Technologies Group [Member] | Trade Names [Member]          
Indefinite-Lived Intangible Assets [Line Items]          
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) 6,000        
Aggregate LCP Liability [Member]          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Related liabilities of deferred compensation plans, specified as other long-term liabilities $ 307,400       $ 226,200