Parent Directory| Name | Size | Last Modified |
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| 0000040533-23-000037-index.html | 2023-06-08 16:24:53 | |
| 0000040533-23-000037.txt | 2023-06-08 16:24:53 | |
 0000040533-23-000037-xbrl.zip | 18964 | 2023-06-08 16:24:53 |
 bluegdlogo.jpg | 14779 | 2023-06-08 16:24:53 |
 charleswhooper.jpg | 17007 | 2023-06-08 16:24:53 |
| FilingSummary.xml | 1839 | 2023-06-08 16:24:53 |
| Financial_Report.xlsx | 5702 | 2023-06-08 16:24:53 |
| gd-20230608.htm | 35241 | 2023-06-08 16:24:53 |
| gd-20230608.xsd | 2274 | 2023-06-08 16:24:53 |
| gd-20230608_def.xml | 14633 | 2023-06-08 16:24:53 |
 gd-20230608_g1.gif | 2912 | 2023-06-08 16:24:53 |
| gd-20230608_htm.xml | 10812 | 2023-06-08 16:24:53 |
| gd-20230608_lab.xml | 28152 | 2023-06-08 16:24:53 |
| gd-20230608_pre.xml | 15132 | 2023-06-08 16:24:53 |
| gd-202368exhibit991.htm | 9082 | 2023-06-08 16:24:53 |
| MetaLinks.json | 20670 | 2023-06-08 16:24:53 |
| R1.htm | 38330 | 2023-06-08 16:24:53 |
| report.css | 2767 | 2023-06-08 16:24:53 |
| Show.js | 1085 | 2023-06-08 16:24:53 |