Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001042893-17-000006-index-headers.html | 2017-04-26 18:10:31 | |
| 0001042893-17-000006-index.html | 2017-04-26 18:10:31 | |
| 0001042893-17-000006.txt | 2017-04-26 18:10:31 | |
 0001042893-17-000006-xbrl.zip | 97085 | 2017-04-26 18:10:31 |
| a201733110-q.htm | 670743 | 2017-04-26 18:10:31 |
| drq-20170331.xml | 545620 | 2017-04-26 18:10:31 |
| drq-20170331.xsd | 24843 | 2017-04-26 18:10:31 |
| drq-20170331_cal.xml | 64832 | 2017-04-26 18:10:31 |
| drq-20170331_def.xml | 79486 | 2017-04-26 18:10:31 |
| drq-20170331_lab.xml | 316631 | 2017-04-26 18:10:31 |
| drq-20170331_pre.xml | 183074 | 2017-04-26 18:10:31 |
| exhibit3112017q1.htm | 12231 | 2017-04-26 18:10:31 |
| exhibit3122017q1.htm | 12236 | 2017-04-26 18:10:31 |
| exhibit3212017q1.htm | 6106 | 2017-04-26 18:10:31 |
| exhibit3222017q1.htm | 6227 | 2017-04-26 18:10:31 |
| FilingSummary.xml | 21025 | 2017-04-26 18:10:31 |
| Financial_Report.xlsx | 42852 | 2017-04-26 18:10:31 |
| R1.htm | 21950 | 2017-04-26 18:10:31 |
| R10.htm | 40069 | 2017-04-26 18:10:31 |
| R11.htm | 7908 | 2017-04-26 18:10:31 |
| R12.htm | 18236 | 2017-04-26 18:10:31 |
| R13.htm | 17164 | 2017-04-26 18:10:31 |
| R14.htm | 35294 | 2017-04-26 18:10:31 |
| R15.htm | 85002 | 2017-04-26 18:10:31 |
| R16.htm | 12858 | 2017-04-26 18:10:31 |
| R17.htm | 40019 | 2017-04-26 18:10:31 |
| R18.htm | 12454 | 2017-04-26 18:10:31 |
| R19.htm | 31285 | 2017-04-26 18:10:31 |
| R2.htm | 78034 | 2017-04-26 18:10:31 |
| R20.htm | 17315 | 2017-04-26 18:10:31 |
| R21.htm | 17558 | 2017-04-26 18:10:31 |
| R22.htm | 82115 | 2017-04-26 18:10:31 |
| R23.htm | 5703 | 2017-04-26 18:10:31 |
| R24.htm | 12833 | 2017-04-26 18:10:31 |
| R25.htm | 9675 | 2017-04-26 18:10:31 |
| R26.htm | 25352 | 2017-04-26 18:10:31 |
| R27.htm | 51994 | 2017-04-26 18:10:31 |
| R28.htm | 11900 | 2017-04-26 18:10:31 |
| R29.htm | 6446 | 2017-04-26 18:10:31 |
| R3.htm | 18589 | 2017-04-26 18:10:31 |
| R30.htm | 15559 | 2017-04-26 18:10:31 |
| R31.htm | 17673 | 2017-04-26 18:10:31 |
| R32.htm | 28797 | 2017-04-26 18:10:31 |
| R33.htm | 5307 | 2017-04-26 18:10:31 |
| R34.htm | 43787 | 2017-04-26 18:10:31 |
| R35.htm | 21375 | 2017-04-26 18:10:31 |
| R4.htm | 51216 | 2017-04-26 18:10:31 |
| R5.htm | 13877 | 2017-04-26 18:10:31 |
| R6.htm | 62133 | 2017-04-26 18:10:31 |
| R7.htm | 12466 | 2017-04-26 18:10:31 |
| R8.htm | 30190 | 2017-04-26 18:10:31 |
| R9.htm | 13586 | 2017-04-26 18:10:31 |
| report.css | 2767 | 2017-04-26 18:10:31 |
| Show.js | 1410 | 2017-04-26 18:10:31 |