Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000046619-19-000092-index-headers.html | 2019-12-16 16:33:02 | |
| 0000046619-19-000092-index.html | 2019-12-16 16:33:02 | |
| 0000046619-19-000092.txt | 2019-12-16 16:33:02 | |
 0000046619-19-000092-xbrl.zip | 31589 | 2019-12-16 16:33:02 |
| FilingSummary.xml | 2451 | 2019-12-16 16:33:02 |
| Financial_Report.xlsx | 6498 | 2019-12-16 16:33:02 |
| hei-20191216.xsd | 5427 | 2019-12-16 16:33:02 |
| hei-20191216_cal.xml | 1034 | 2019-12-16 16:33:02 |
| hei-20191216_def.xml | 19126 | 2019-12-16 16:33:02 |
| hei-20191216_lab.xml | 39397 | 2019-12-16 16:33:02 |
| hei-20191216_pre.xml | 20849 | 2019-12-16 16:33:02 |
| MetaLinks.json | 27331 | 2019-12-16 16:33:02 |
| q4fy19exhibit991.htm | 280783 | 2019-12-16 16:33:02 |
| q4fy19form8k.htm | 55145 | 2019-12-16 16:33:02 |
| q4fy19form8k_htm.xml | 6579 | 2019-12-16 16:33:02 |
| R1.htm | 14772 | 2019-12-16 16:33:02 |
| R2.htm | 30695 | 2019-12-16 16:33:02 |
| report.css | 2767 | 2019-12-16 16:33:02 |
| Show.js | 1085 | 2019-12-16 16:33:02 |