Note 1 - Basis of Presentation (Details Textual)	12 Months Ended
Oct. 31, 2025
Organization Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Noncontrolling Interest, Description	Noncontrolling interest represents the proportionate equity interest in a consolidated joint venture that is not 100% owned by HEI, directly or indirectly; we sold our membership interest in such joint venture during the first quarter of fiscal 2024.
Percentage of equity interest in a consolidated joint venture that is not owned by the Company directly or indirectly	100.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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