Name | Size | Last Modified |
---|---|---|
0000046619-23-000052-index-headers.html | 2023-03-01 15:26:04 | |
0000046619-23-000052-index.html | 2023-03-01 15:26:04 | |
0000046619-23-000052.txt | 2023-03-01 15:26:04 | |
0000046619-23-000052-xbrl.zip | 253366 | 2023-03-01 15:26:04 |
a01312023exhibit311.htm | 9727 | 2023-03-01 15:26:04 |
a01312023exhibit312.htm | 9710 | 2023-03-01 15:26:04 |
a01312023exhibit321.htm | 5380 | 2023-03-01 15:26:04 |
a01312023exhibit322.htm | 5462 | 2023-03-01 15:26:04 |
FilingSummary.xml | 38035 | 2023-03-01 15:26:04 |
Financial_Report.xlsx | 91092 | 2023-03-01 15:26:04 |
hei-20230131.htm | 1309424 | 2023-03-01 15:26:04 |
hei-20230131.xsd | 45954 | 2023-03-01 15:26:04 |
hei-20230131_cal.xml | 85505 | 2023-03-01 15:26:04 |
hei-20230131_def.xml | 356094 | 2023-03-01 15:26:04 |
hei-20230131_htm.xml | 1259860 | 2023-03-01 15:26:04 |
hei-20230131_lab.xml | 604322 | 2023-03-01 15:26:04 |
hei-20230131_pre.xml | 427015 | 2023-03-01 15:26:04 |
MetaLinks.json | 704144 | 2023-03-01 15:26:04 |
R1.htm | 59953 | 2023-03-01 15:26:04 |
R10.htm | 34668 | 2023-03-01 15:26:04 |
R11.htm | 44353 | 2023-03-01 15:26:04 |
R12.htm | 40331 | 2023-03-01 15:26:04 |
R13.htm | 11371 | 2023-03-01 15:26:04 |
R14.htm | 55107 | 2023-03-01 15:26:04 |
R15.htm | 7617 | 2023-03-01 15:26:04 |
R16.htm | 73956 | 2023-03-01 15:26:04 |
R17.htm | 17715 | 2023-03-01 15:26:04 |
R18.htm | 41501 | 2023-03-01 15:26:04 |
R19.htm | 14968 | 2023-03-01 15:26:04 |
R2.htm | 129990 | 2023-03-01 15:26:04 |
R20.htm | 10672 | 2023-03-01 15:26:04 |
R21.htm | 34969 | 2023-03-01 15:26:04 |
R22.htm | 51698 | 2023-03-01 15:26:04 |
R23.htm | 42973 | 2023-03-01 15:26:04 |
R24.htm | 14275 | 2023-03-01 15:26:04 |
R25.htm | 54426 | 2023-03-01 15:26:04 |
R26.htm | 70801 | 2023-03-01 15:26:04 |
R27.htm | 17003 | 2023-03-01 15:26:04 |
R28.htm | 40562 | 2023-03-01 15:26:04 |
R29.htm | 11598 | 2023-03-01 15:26:04 |
R3.htm | 19881 | 2023-03-01 15:26:04 |
R30.htm | 10937 | 2023-03-01 15:26:04 |
R31.htm | 45321 | 2023-03-01 15:26:04 |
R32.htm | 13719 | 2023-03-01 15:26:04 |
R33.htm | 48339 | 2023-03-01 15:26:04 |
R34.htm | 10389 | 2023-03-01 15:26:04 |
R35.htm | 12016 | 2023-03-01 15:26:04 |
R36.htm | 18423 | 2023-03-01 15:26:04 |
R37.htm | 5961 | 2023-03-01 15:26:04 |
R38.htm | 13277 | 2023-03-01 15:26:04 |
R39.htm | 18997 | 2023-03-01 15:26:04 |
R4.htm | 86248 | 2023-03-01 15:26:04 |
R40.htm | 21748 | 2023-03-01 15:26:04 |
R41.htm | 18854 | 2023-03-01 15:26:04 |
R42.htm | 28714 | 2023-03-01 15:26:04 |
R43.htm | 20356 | 2023-03-01 15:26:04 |
R44.htm | 12912 | 2023-03-01 15:26:04 |
R45.htm | 5590 | 2023-03-01 15:26:04 |
R46.htm | 15175 | 2023-03-01 15:26:04 |
R47.htm | 29168 | 2023-03-01 15:26:04 |
R48.htm | 26062 | 2023-03-01 15:26:04 |
R49.htm | 16996 | 2023-03-01 15:26:04 |
R5.htm | 44438 | 2023-03-01 15:26:04 |
R50.htm | 6175 | 2023-03-01 15:26:04 |
R51.htm | 27470 | 2023-03-01 15:26:04 |
R52.htm | 80163 | 2023-03-01 15:26:04 |
R53.htm | 20884 | 2023-03-01 15:26:04 |
R54.htm | 42046 | 2023-03-01 15:26:04 |
R55.htm | 39511 | 2023-03-01 15:26:04 |
R56.htm | 33830 | 2023-03-01 15:26:04 |
R57.htm | 18910 | 2023-03-01 15:26:04 |
R58.htm | 9516 | 2023-03-01 15:26:04 |
R59.htm | 4470 | 2023-03-01 15:26:04 |
R6.htm | 92543 | 2023-03-01 15:26:04 |
R7.htm | 3046 | 2023-03-01 15:26:04 |
R8.htm | 93881 | 2023-03-01 15:26:04 |
R9.htm | 9046 | 2023-03-01 15:26:04 |
report.css | 2767 | 2023-03-01 15:26:04 |
Show.js | 1085 | 2023-03-01 15:26:04 |