Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000046619-12-000004-index-headers.html | 2012-08-24 16:54:55 | |
| 0000046619-12-000004-index.html | 2012-08-24 16:54:55 | |
| 0000046619-12-000004.txt | 2012-08-24 16:54:55 | |
 0000046619-12-000004-xbrl.zip | 211707 | 2012-08-24 16:54:55 |
| FilingSummary.xml | 28486 | 2012-08-24 16:54:55 |
| Financial_Report.xls | 1174858 | 2012-08-24 16:54:55 |
| hei-20120731.xml | 1443705 | 2012-08-24 16:54:55 |
| hei-20120731.xsd | 59905 | 2012-08-24 16:54:55 |
| hei-20120731_cal.xml | 84679 | 2012-08-24 16:54:55 |
| hei-20120731_def.xml | 362726 | 2012-08-24 16:54:55 |
| hei-20120731_lab.xml | 679906 | 2012-08-24 16:54:55 |
| hei-20120731_pre.xml | 406671 | 2012-08-24 16:54:55 |
| hei0731201210q.htm | 1239885 | 2012-08-24 16:54:55 |
| heiexhibit311.htm | 12518 | 2012-08-24 16:54:55 |
| heiexhibit312.htm | 12657 | 2012-08-24 16:54:55 |
| heiexhibit321.htm | 6600 | 2012-08-24 16:54:55 |
| heiexhibit322.htm | 6646 | 2012-08-24 16:54:55 |
| R1.htm | 27746 | 2012-08-24 16:54:55 |
| R10.htm | 69632 | 2012-08-24 16:54:55 |
| R11.htm | 97742 | 2012-08-24 16:54:55 |
| R12.htm | 24550 | 2012-08-24 16:54:55 |
| R13.htm | 23064 | 2012-08-24 16:54:55 |
| R14.htm | 112941 | 2012-08-24 16:54:55 |
| R15.htm | 11676 | 2012-08-24 16:54:55 |
| R16.htm | 9029 | 2012-08-24 16:54:55 |
| R17.htm | 52391 | 2012-08-24 16:54:55 |
| R18.htm | 101903 | 2012-08-24 16:54:55 |
| R19.htm | 22524 | 2012-08-24 16:54:55 |
| R2.htm | 142235 | 2012-08-24 16:54:55 |
| R20.htm | 7366 | 2012-08-24 16:54:55 |
| R21.htm | 24270 | 2012-08-24 16:54:55 |
| R22.htm | 45927 | 2012-08-24 16:54:55 |
| R23.htm | 75123 | 2012-08-24 16:54:55 |
| R24.htm | 90360 | 2012-08-24 16:54:55 |
| R25.htm | 21460 | 2012-08-24 16:54:55 |
| R26.htm | 15887 | 2012-08-24 16:54:55 |
| R27.htm | 101881 | 2012-08-24 16:54:55 |
| R28.htm | 48868 | 2012-08-24 16:54:55 |
| R29.htm | 102339 | 2012-08-24 16:54:55 |
| R3.htm | 30705 | 2012-08-24 16:54:55 |
| R30.htm | 17642 | 2012-08-24 16:54:55 |
| R31.htm | 6771 | 2012-08-24 16:54:55 |
| R32.htm | 45524 | 2012-08-24 16:54:55 |
| R33.htm | 19904 | 2012-08-24 16:54:55 |
| R34.htm | 44664 | 2012-08-24 16:54:55 |
| R35.htm | 10448 | 2012-08-24 16:54:55 |
| R36.htm | 24736 | 2012-08-24 16:54:55 |
| R37.htm | 20115 | 2012-08-24 16:54:55 |
| R38.htm | 26121 | 2012-08-24 16:54:55 |
| R39.htm | 6171 | 2012-08-24 16:54:55 |
| R4.htm | 78872 | 2012-08-24 16:54:55 |
| R40.htm | 29046 | 2012-08-24 16:54:55 |
| R41.htm | 33822 | 2012-08-24 16:54:55 |
| R42.htm | 37598 | 2012-08-24 16:54:55 |
| R43.htm | 14744 | 2012-08-24 16:54:55 |
| R44.htm | 34331 | 2012-08-24 16:54:55 |
| R45.htm | 20848 | 2012-08-24 16:54:55 |
| R46.htm | 20752 | 2012-08-24 16:54:55 |
| R47.htm | 34917 | 2012-08-24 16:54:55 |
| R48.htm | 34021 | 2012-08-24 16:54:55 |
| R49.htm | 36497 | 2012-08-24 16:54:55 |
| R5.htm | 74173 | 2012-08-24 16:54:55 |
| R50.htm | 6526 | 2012-08-24 16:54:55 |
| R51.htm | 21228 | 2012-08-24 16:54:55 |
| R52.htm | 45648 | 2012-08-24 16:54:55 |
| R53.htm | 4633 | 2012-08-24 16:54:55 |
| R54.htm | 24220 | 2012-08-24 16:54:55 |
| R55.htm | 9831 | 2012-08-24 16:54:55 |
| R56.htm | 10120 | 2012-08-24 16:54:55 |
| R57.htm | 9242 | 2012-08-24 16:54:55 |
| R58.htm | 20029 | 2012-08-24 16:54:55 |
| R6.htm | 4130 | 2012-08-24 16:54:55 |
| R7.htm | 131870 | 2012-08-24 16:54:55 |
| R8.htm | 16467 | 2012-08-24 16:54:55 |
| R9.htm | 58215 | 2012-08-24 16:54:55 |
| report.css | 2721 | 2012-08-24 16:54:55 |
| Show.js | 6423 | 2012-08-24 16:54:55 |