Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-156243-index-headers.html | 2021-05-10 16:10:59 | |
| 0001193125-21-156243-index.html | 2021-05-10 16:10:59 | |
| 0001193125-21-156243.txt | 2021-05-10 16:10:59 | |
 0001193125-21-156243-xbrl.zip | 80684 | 2021-05-10 16:10:59 |
| d391636d8k.htm | 30556 | 2021-05-10 16:10:59 |
| d391636d8k_htm.xml | 3246 | 2021-05-10 16:10:59 |
| d391636dex11.htm | 236972 | 2021-05-10 16:10:59 |
| d391636dex41.htm | 141063 | 2021-05-10 16:10:59 |
| d391636dex51.htm | 15392 | 2021-05-10 16:10:59 |
| FilingSummary.xml | 1848 | 2021-05-10 16:10:59 |
| Financial_Report.xlsx | 5655 | 2021-05-10 16:10:59 |
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 g391636vj.jpg | 7656 | 2021-05-10 16:10:59 |
| gd-20210510.xsd | 3084 | 2021-05-10 16:10:59 |
| gd-20210510_lab.xml | 17373 | 2021-05-10 16:10:59 |
| gd-20210510_pre.xml | 10964 | 2021-05-10 16:10:59 |
| MetaLinks.json | 18432 | 2021-05-10 16:10:59 |
| R1.htm | 38590 | 2021-05-10 16:10:59 |
| report.css | 2767 | 2021-05-10 16:10:59 |
| Show.js | 1085 | 2021-05-10 16:10:59 |