Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0000046619-25-000009-index.html | 2025-02-14 09:05:19 | |
| 0000046619-25-000009.txt | 2025-02-14 09:05:19 | |
 0000046619-25-000009-xbrl.zip | 14642 | 2025-02-14 09:05:19 |
| FilingSummary.xml | 2343 | 2025-02-14 09:05:19 |
| Financial_Report.xlsx | 6482 | 2025-02-14 09:05:19 |
| hei-20250210.htm | 29197 | 2025-02-14 09:05:19 |
| hei-20250210.xsd | 3168 | 2025-02-14 09:05:19 |
| hei-20250210_def.xml | 19368 | 2025-02-14 09:05:19 |
| hei-20250210_htm.xml | 4040 | 2025-02-14 09:05:19 |
| hei-20250210_lab.xml | 32659 | 2025-02-14 09:05:19 |
| hei-20250210_pre.xml | 19848 | 2025-02-14 09:05:19 |
| MetaLinks.json | 26709 | 2025-02-14 09:05:19 |
| R1.htm | 14572 | 2025-02-14 09:05:19 |
| R2.htm | 30306 | 2025-02-14 09:05:19 |
| report.css | 2767 | 2025-02-14 09:05:19 |
| Show.js | 1085 | 2025-02-14 09:05:19 |