Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000040533-21-000018-index-headers.html | 2021-05-07 16:19:49 | |
| 0000040533-21-000018-index.html | 2021-05-07 16:19:49 | |
| 0000040533-21-000018.txt | 2021-05-07 16:19:49 | |
 0000040533-21-000018-xbrl.zip | 18762 | 2021-05-07 16:19:49 |
| FilingSummary.xml | 1801 | 2021-05-07 16:19:49 |
| Financial_Report.xlsx | 5677 | 2021-05-07 16:19:49 |
| gd-20210507.htm | 81715 | 2021-05-07 16:19:49 |
| gd-20210507.xsd | 2506 | 2021-05-07 16:19:49 |
| gd-20210507_cal.xml | 791 | 2021-05-07 16:19:49 |
| gd-20210507_def.xml | 14653 | 2021-05-07 16:19:49 |
 gd-20210507_g1.gif | 2912 | 2021-05-07 16:19:49 |
| gd-20210507_htm.xml | 10871 | 2021-05-07 16:19:49 |
| gd-20210507_lab.xml | 28204 | 2021-05-07 16:19:49 |
| gd-20210507_pre.xml | 15709 | 2021-05-07 16:19:49 |
| MetaLinks.json | 20523 | 2021-05-07 16:19:49 |
| R1.htm | 39126 | 2021-05-07 16:19:49 |
| report.css | 2767 | 2021-05-07 16:19:49 |
| Show.js | 1085 | 2021-05-07 16:19:49 |