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SELECTED FINANCIAL STATEMENT INFORMATION (Details Textuals) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2026	Apr. 30, 2025	Oct. 31, 2025
Selected Financial Statement Information (Details) [Abstract]
Accrued customer rebates and credits	$ 34.4		$ 34.4		$ 30.7
Total customer rebates and credits deducted within net sales	$ 4.5	$ 3.6	$ 10.9	$ 7.9
FY 2015 Acquisition \| Existing Holder
Business Combination [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	19.90%		19.90%
2019 acquisition \| Existing Holder
Business Combination [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	15.00%		15.00%
2019 acquisition \| Heico Corporation
Business Combination [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	96.25%		96.25%
Sherwood \| HFSC
Business Combination [Line Items]
Business Combination, Voting Equity Interest Acquired, Percentage	80.00%		80.00%
Sherwood \| Existing Management \| HFSC
Business Combination [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	20.00%		20.00%
SWA
Business Combination [Line Items]
Business Combination, Voting Equity Interest Acquired, Percentage	90.00%		90.00%
SWA \| Existing Management
Business Combination [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	10.00%		10.00%
FY 2006 Acquisition \| Existing Holder
Business Combination [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	19.90%		19.90%
FY 2006 Acquisition \| Heico Corporation
Business Combination [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	90.05%		90.05%
FY 2023 Acquisition
Business Combination [Line Items]
Business Combination, Voting Equity Interest Acquired, Percentage	9.00%		9.00%
FY 2023 Acquisition \| Existing Holder
Business Combination [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	10.00%		10.00%
FY 2023 Acquisition \| Heico Corporation
Business Combination [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	99.00%		99.00%