Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000046619-25-000080-index-headers.html | 2025-12-22 15:05:16 | |
| 0000046619-25-000080-index.html | 2025-12-22 15:05:16 | |
| 0000046619-25-000080.txt | 2025-12-22 15:05:16 | |
 0000046619-25-000080-xbrl.zip | 13482 | 2025-12-22 15:05:16 |
| FilingSummary.xml | 2341 | 2025-12-22 15:05:16 |
| hei-20251218.htm | 29095 | 2025-12-22 15:05:16 |
| hei-20251218.xsd | 3166 | 2025-12-22 15:05:16 |
| hei-20251218_def.xml | 19368 | 2025-12-22 15:05:16 |
| hei-20251218_htm.xml | 4040 | 2025-12-22 15:05:16 |
| hei-20251218_lab.xml | 32659 | 2025-12-22 15:05:16 |
| hei-20251218_pre.xml | 19848 | 2025-12-22 15:05:16 |
| MetaLinks.json | 26709 | 2025-12-22 15:05:16 |
| R1.htm | 14556 | 2025-12-22 15:05:16 |
| R2.htm | 30290 | 2025-12-22 15:05:16 |
| report.css | 2767 | 2025-12-22 15:05:16 |
| Show.js | 1084 | 2025-12-22 15:05:16 |