Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-241789-index-headers.html | 2021-08-10 16:05:19 | |
| 0001193125-21-241789-index.html | 2021-08-10 16:05:19 | |
| 0001193125-21-241789.txt | 2021-08-10 16:05:19 | |
 0001193125-21-241789-xbrl.zip | 16181 | 2021-08-10 16:05:19 |
| d177235d8k.htm | 27105 | 2021-08-10 16:05:19 |
| d177235d8k_htm.xml | 3219 | 2021-08-10 16:05:19 |
| d177235dex991.htm | 13178 | 2021-08-10 16:05:19 |
| d177235dex992.htm | 14745 | 2021-08-10 16:05:19 |
| FilingSummary.xml | 1768 | 2021-08-10 16:05:19 |
| Financial_Report.xlsx | 5676 | 2021-08-10 16:05:19 |
 g177235g67a02.jpg | 3798 | 2021-08-10 16:05:19 |
 g177235g73b73.jpg | 4328 | 2021-08-10 16:05:19 |
| hii-20210809.xsd | 2915 | 2021-08-10 16:05:19 |
| hii-20210809_lab.xml | 17373 | 2021-08-10 16:05:19 |
| hii-20210809_pre.xml | 10969 | 2021-08-10 16:05:19 |
| MetaLinks.json | 18427 | 2021-08-10 16:05:19 |
| R1.htm | 38614 | 2021-08-10 16:05:19 |
| report.css | 2767 | 2021-08-10 16:05:19 |
| Show.js | 1085 | 2021-08-10 16:05:19 |