FAIR VALUE MEASUREMENTS (Details Textuals) $ in Thousands, $ in Thousands	6 Months Ended
	Apr. 30, 2025 USD ($)	Apr. 30, 2025 CAD ($)	Apr. 30, 2024 USD ($)	Oct. 31, 2024 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total liabilities	$ 40,044			$ 30,207
Change in value of contingent consideration	$ 6,766		$ (5,326)
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Selling, General and Administrative Expense	Selling, General and Administrative Expense
FY2022 Acquisition Subsidiary 1 | Flight Support Group [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Business Combination, Voting Equity Interest Acquired, Percentage	96.00%
Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount	$ 27,400
Total liabilities	$ 21,400
FY2022 Acquisition Subsidiary 2 | Flight Support Group [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Business Combination, Voting Equity Interest Acquired, Percentage	74.00%
Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount	$ 14,100
Total liabilities	$ 6,700			0
FY2020 Acquisition Subsidiary 1 | Electronic Technologies Group [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Business Combination, Voting Equity Interest Acquired, Percentage	89.99%
Change in value of contingent consideration	$ 8,100	$ 11,700
FY2025 Acquisition Subsidiary 1 | Flight Support Group [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Business Combination, Voting Equity Interest Acquired, Percentage	90.00%
Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount	$ 21,100
Total liabilities	12,000
Aggregate LCP Liability [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred Compensation Liability, Classified, Noncurrent	$ 327,300			$ 315,000