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| 0000028917-18-000521-index.html | 2018-12-06 16:52:15 | |
| 0000028917-18-000521.txt | 2018-12-06 16:52:15 | |
 0000028917-18-000521-xbrl.zip | 127362 | 2018-12-06 16:52:15 |
| dds-110318x10q.htm | 1255038 | 2018-12-06 16:52:15 |
| dds-110318xexx311.htm | 15907 | 2018-12-06 16:52:15 |
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| dds-110318xexx323.htm | 7858 | 2018-12-06 16:52:15 |
| dds-20181103.xml | 917299 | 2018-12-06 16:52:15 |
| dds-20181103.xsd | 38970 | 2018-12-06 16:52:15 |
| dds-20181103_cal.xml | 61914 | 2018-12-06 16:52:15 |
| dds-20181103_def.xml | 139238 | 2018-12-06 16:52:15 |
| dds-20181103_lab.xml | 436912 | 2018-12-06 16:52:15 |
| dds-20181103_pre.xml | 255971 | 2018-12-06 16:52:15 |
| FilingSummary.xml | 25410 | 2018-12-06 16:52:15 |
| Financial_Report.xlsx | 48486 | 2018-12-06 16:52:15 |
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| R9.htm | 86634 | 2018-12-06 16:52:15 |
| report.css | 2767 | 2018-12-06 16:52:15 |
| Show.js | 1085 | 2018-12-06 16:52:15 |