Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-000932-index-headers.html | 2023-01-19 17:10:31 | |
| 0000950170-23-000932-index.html | 2023-01-19 17:10:31 | |
| 0000950170-23-000932.txt | 2023-01-19 17:10:31 | |
 0000950170-23-000932-xbrl.zip | 53954 | 2023-01-19 17:10:31 |
| FilingSummary.xml | 1708 | 2023-01-19 17:10:31 |
| Financial_Report.xlsx | 5730 | 2023-01-19 17:10:31 |
| gldd-20230112.htm | 61441 | 2023-01-19 17:10:31 |
| gldd-20230112.xsd | 2558 | 2023-01-19 17:10:31 |
| gldd-20230112_htm.xml | 4723 | 2023-01-19 17:10:31 |
| gldd-20230112_lab.xml | 32457 | 2023-01-19 17:10:31 |
| gldd-20230112_pre.xml | 26083 | 2023-01-19 17:10:31 |
| gldd-ex3_1.htm | 182263 | 2023-01-19 17:10:31 |
 img152327689_0.jpg | 20229 | 2023-01-19 17:10:31 |
| MetaLinks.json | 40076 | 2023-01-19 17:10:31 |
| R1.htm | 39625 | 2023-01-19 17:10:31 |
| report.css | 2767 | 2023-01-19 17:10:31 |
| Show.js | 1085 | 2023-01-19 17:10:31 |