Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000046619-24-000037-index-headers.html | 2024-05-28 17:26:44 | |
| 0000046619-24-000037-index.html | 2024-05-28 17:26:44 | |
| 0000046619-24-000037.txt | 2024-05-28 17:26:44 | |
 0000046619-24-000037-xbrl.zip | 25887 | 2024-05-28 17:26:44 |
| a04302024ex991earningsrele.htm | 186430 | 2024-05-28 17:26:44 |
| FilingSummary.xml | 2186 | 2024-05-28 17:26:44 |
| Financial_Report.xlsx | 6449 | 2024-05-28 17:26:44 |
| hei-20240528.htm | 30200 | 2024-05-28 17:26:44 |
| hei-20240528.xsd | 3135 | 2024-05-28 17:26:44 |
| hei-20240528_def.xml | 19224 | 2024-05-28 17:26:44 |
| hei-20240528_htm.xml | 4040 | 2024-05-28 17:26:44 |
| hei-20240528_lab.xml | 32659 | 2024-05-28 17:26:44 |
| hei-20240528_pre.xml | 19704 | 2024-05-28 17:26:44 |
| MetaLinks.json | 25889 | 2024-05-28 17:26:44 |
| R1.htm | 14531 | 2024-05-28 17:26:44 |
| R2.htm | 30296 | 2024-05-28 17:26:44 |
| report.css | 2767 | 2024-05-28 17:26:44 |
| Show.js | 1085 | 2024-05-28 17:26:44 |