Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-072840-index-headers.html | 2021-03-08 13:58:32 | |
| 0001193125-21-072840-index.html | 2021-03-08 13:58:32 | |
| 0001193125-21-072840.txt | 2021-03-08 13:58:32 | |
 0001193125-21-072840-xbrl.zip | 11178 | 2021-03-08 13:58:32 |
| d84630d8k.htm | 26079 | 2021-03-08 13:58:32 |
| d84630d8k_htm.xml | 3283 | 2021-03-08 13:58:32 |
| d84630dex991.htm | 11273 | 2021-03-08 13:58:32 |
| FilingSummary.xml | 1729 | 2021-03-08 13:58:32 |
| Financial_Report.xlsx | 5455 | 2021-03-08 13:58:32 |
 g84630dsp02.jpg | 4725 | 2021-03-08 13:58:32 |
 g84630g0308061050809.jpg | 4500 | 2021-03-08 13:58:32 |
| hii-20210302.xsd | 3092 | 2021-03-08 13:58:32 |
| hii-20210302_lab.xml | 17372 | 2021-03-08 13:58:32 |
| hii-20210302_pre.xml | 10968 | 2021-03-08 13:58:32 |
| MetaLinks.json | 18450 | 2021-03-08 13:58:32 |
| R1.htm | 38613 | 2021-03-08 13:58:32 |
| report.css | 2767 | 2021-03-08 13:58:32 |
| Show.js | 1085 | 2021-03-08 13:58:32 |