Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-361798-index-headers.html | 2021-12-20 08:46:32 | |
| 0001193125-21-361798-index.html | 2021-12-20 08:46:32 | |
| 0001193125-21-361798.txt | 2021-12-20 08:46:32 | |
 0001193125-21-361798-xbrl.zip | 45700 | 2021-12-20 08:46:32 |
| d273590d8k.htm | 32614 | 2021-12-20 08:46:32 |
| d273590d8k_htm.xml | 3403 | 2021-12-20 08:46:32 |
| d273590dex21.htm | 213738 | 2021-12-20 08:46:32 |
| d273590dex991.htm | 7854 | 2021-12-20 08:46:32 |
| dco-20211216.xsd | 2889 | 2021-12-20 08:46:32 |
| dco-20211216_lab.xml | 18139 | 2021-12-20 08:46:32 |
| dco-20211216_pre.xml | 11407 | 2021-12-20 08:46:32 |
| FilingSummary.xml | 1759 | 2021-12-20 08:46:32 |
| Financial_Report.xlsx | 5703 | 2021-12-20 08:46:32 |
 g273590g1218085527691.jpg | 6478 | 2021-12-20 08:46:32 |
| MetaLinks.json | 18550 | 2021-12-20 08:46:32 |
| R1.htm | 40168 | 2021-12-20 08:46:32 |
| report.css | 2767 | 2021-12-20 08:46:32 |
| Show.js | 1085 | 2021-12-20 08:46:32 |