Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-252026-index-headers.html | 2021-08-20 07:31:09 | |
| 0001193125-21-252026-index.html | 2021-08-20 07:31:09 | |
| 0001193125-21-252026.txt | 2021-08-20 07:31:09 | |
 0001193125-21-252026-xbrl.zip | 12517 | 2021-08-20 07:31:09 |
| d57236d8k.htm | 31716 | 2021-08-20 07:31:09 |
| d57236d8k_htm.xml | 3219 | 2021-08-20 07:31:09 |
| d57236dex991.htm | 12898 | 2021-08-20 07:31:09 |
| FilingSummary.xml | 1729 | 2021-08-20 07:31:09 |
| Financial_Report.xlsx | 5673 | 2021-08-20 07:31:09 |
 g57236g0820025317918.jpg | 4500 | 2021-08-20 07:31:09 |
 g57236g69o86.jpg | 4176 | 2021-08-20 07:31:09 |
| hii-20210819.xsd | 2915 | 2021-08-20 07:31:09 |
| hii-20210819_lab.xml | 17373 | 2021-08-20 07:31:09 |
| hii-20210819_pre.xml | 10969 | 2021-08-20 07:31:09 |
| MetaLinks.json | 18423 | 2021-08-20 07:31:09 |
| R1.htm | 38612 | 2021-08-20 07:31:09 |
| report.css | 2767 | 2021-08-20 07:31:09 |
| Show.js | 1085 | 2021-08-20 07:31:09 |