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| 0000910638-22-000039.txt | 2022-08-09 08:21:09 | |
 0000910638-22-000039-xbrl.zip | 350408 | 2022-08-09 08:21:09 |
| ddd-20220630.htm | 2160334 | 2022-08-09 08:21:09 |
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| ddd-20220630_htm.xml | 2009224 | 2022-08-09 08:21:09 |
| ddd-20220630_lab.xml | 739572 | 2022-08-09 08:21:09 |
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| ddd-2022x06x30ex321.htm | 5457 | 2022-08-09 08:21:09 |
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| report.css | 2767 | 2022-08-09 08:21:09 |
| Show.js | 1085 | 2022-08-09 08:21:09 |