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| 0000910638-23-000021-index.html | 2023-08-09 16:20:30 | |
| 0000910638-23-000021.txt | 2023-08-09 16:20:30 | |
 0000910638-23-000021-xbrl.zip | 298188 | 2023-08-09 16:20:30 |
| ddd-20230630.htm | 1753934 | 2023-08-09 16:20:30 |
| ddd-20230630.xsd | 60336 | 2023-08-09 16:20:30 |
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| ddd-2023_06x30exx321.htm | 5899 | 2023-08-09 16:20:30 |
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| R9.htm | 4503 | 2023-08-09 16:20:30 |
| report.css | 2767 | 2023-08-09 16:20:30 |
| Show.js | 1085 | 2023-08-09 16:20:30 |