Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-247744-index-headers.html | 2021-08-16 16:16:42 | |
| 0001193125-21-247744-index.html | 2021-08-16 16:16:42 | |
| 0001193125-21-247744.txt | 2021-08-16 16:16:42 | |
 0001193125-21-247744-xbrl.zip | 104118 | 2021-08-16 16:16:42 |
| d199506d8k.htm | 36700 | 2021-08-16 16:16:42 |
| d199506d8k_htm.xml | 3219 | 2021-08-16 16:16:42 |
| d199506dex41.htm | 479551 | 2021-08-16 16:16:42 |
| d199506dex44.htm | 116870 | 2021-08-16 16:16:42 |
| FilingSummary.xml | 1766 | 2021-08-16 16:16:42 |
| Financial_Report.xlsx | 5674 | 2021-08-16 16:16:42 |
| hii-20210816.xsd | 2916 | 2021-08-16 16:16:42 |
| hii-20210816_lab.xml | 17374 | 2021-08-16 16:16:42 |
| hii-20210816_pre.xml | 10970 | 2021-08-16 16:16:42 |
| MetaLinks.json | 18427 | 2021-08-16 16:16:42 |
| R1.htm | 38612 | 2021-08-16 16:16:42 |
| report.css | 2767 | 2021-08-16 16:16:42 |
| Show.js | 1085 | 2021-08-16 16:16:42 |