v3.25.4

Note 1 - Basis of Presentation (Details Textual) | 12 Months Ended
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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%

X
- Definition 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. + References No definition available. + Details
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X
- Definition The percentage of equity interest in a consolidated joint venture that is not owned by the company directly or indirectly. + References No definition available. + Details
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Period Type: | instant

X
- Definition Description of noncontrolling interest which might include background information, terms of the ownership arrangement, and type and terms of equity interest owned by the noncontrolling interest holders. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration