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 0000040533-20-000026-index-headers.html | 2020-04-29 08:20:48 | |
| 0000040533-20-000026-index.html | 2020-04-29 08:20:48 | |
| 0000040533-20-000026.txt | 2020-04-29 08:20:48 | |
 0000040533-20-000026-xbrl.zip | 36669 | 2020-04-29 08:20:48 |
 chart-108d2722172b4915.jpg | 41327 | 2020-04-29 08:20:48 |
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| Financial_Report.xlsx | 5820 | 2020-04-29 08:20:48 |
| gd-20200329exhibit991.htm | 454572 | 2020-04-29 08:20:48 |
| gd-20200429.htm | 62162 | 2020-04-29 08:20:48 |
| gd-20200429.xsd | 2647 | 2020-04-29 08:20:48 |
| gd-20200429_cal.xml | 791 | 2020-04-29 08:20:48 |
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| gd-20200429_htm.xml | 11337 | 2020-04-29 08:20:48 |
| gd-20200429_lab.xml | 28204 | 2020-04-29 08:20:48 |
| gd-20200429_pre.xml | 15709 | 2020-04-29 08:20:48 |
 image11.gif | 2912 | 2020-04-29 08:20:48 |
 image21.gif | 2912 | 2020-04-29 08:20:48 |
| MetaLinks.json | 21182 | 2020-04-29 08:20:48 |
| R1.htm | 40200 | 2020-04-29 08:20:48 |
| report.css | 2767 | 2020-04-29 08:20:48 |
| Show.js | 1085 | 2020-04-29 08:20:48 |