Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000947871-20-000509-index-headers.html | 2020-05-22 08:42:03 | |
| 0000947871-20-000509-index.html | 2020-05-22 08:42:03 | |
| 0000947871-20-000509.txt | 2020-05-22 08:42:03 | |
 0000947871-20-000509-xbrl.zip | 36698 | 2020-05-22 08:42:03 |
| dy-20200521.xsd | 3150 | 2020-05-22 08:42:03 |
| dy-20200521_lab.xml | 34591 | 2020-05-22 08:42:03 |
| dy-20200521_pre.xml | 22688 | 2020-05-22 08:42:03 |
| FilingSummary.xml | 1612 | 2020-05-22 08:42:03 |
| Financial_Report.xlsx | 5822 | 2020-05-22 08:42:03 |
| MetaLinks.json | 38064 | 2020-05-22 08:42:03 |
| R1.htm | 40164 | 2020-05-22 08:42:03 |
| report.css | 2766 | 2020-05-22 08:42:03 |
| Show.js | 1085 | 2020-05-22 08:42:03 |
| ss174127_8k.htm | 36558 | 2020-05-22 08:42:03 |
| ss174127_8k_htm.xml | 3626 | 2020-05-22 08:42:03 |
| ss174127_ex1001.htm | 132944 | 2020-05-22 08:42:03 |