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| 0000910638-17-000016-index.html | 2017-10-31 16:43:38 | |
| 0000910638-17-000016.txt | 2017-10-31 16:43:38 | |
 0000910638-17-000016-xbrl.zip | 126236 | 2017-10-31 16:43:38 |
| ddd-20170930.xml | 1876581 | 2017-10-31 16:43:38 |
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| ddd-20170930xex32_1.htm | 13855 | 2017-10-31 16:43:38 |
| ddd-20170930xex32_2.htm | 13637 | 2017-10-31 16:43:38 |
| ddd-20170930_cal.xml | 60943 | 2017-10-31 16:43:38 |
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| Financial_Report.xlsx | 74062 | 2017-10-31 16:43:38 |
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| report.css | 2767 | 2017-10-31 16:43:38 |
| Show.js | 1410 | 2017-10-31 16:43:38 |