Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-020319-index-headers.html | 2022-10-27 16:06:28 | |
| 0000950170-22-020319-index.html | 2022-10-27 16:06:28 | |
| 0000950170-22-020319.txt | 2022-10-27 16:06:28 | |
 0000950170-22-020319-xbrl.zip | 207890 | 2022-10-27 16:06:28 |
| drq-20220930.htm | 3582737 | 2022-10-27 16:06:28 |
| drq-20220930.xsd | 34851 | 2022-10-27 16:06:28 |
| drq-20220930_cal.xml | 46379 | 2022-10-27 16:06:28 |
| drq-20220930_def.xml | 123067 | 2022-10-27 16:06:28 |
| drq-20220930_htm.xml | 3170875 | 2022-10-27 16:06:28 |
| drq-20220930_lab.xml | 318131 | 2022-10-27 16:06:28 |
| drq-20220930_pre.xml | 240618 | 2022-10-27 16:06:28 |
| drq-ex31_1.htm | 20124 | 2022-10-27 16:06:28 |
| drq-ex31_2.htm | 16739 | 2022-10-27 16:06:28 |
| drq-ex32_1.htm | 9516 | 2022-10-27 16:06:28 |
| drq-ex32_2.htm | 10096 | 2022-10-27 16:06:28 |
| FilingSummary.xml | 30494 | 2022-10-27 16:06:28 |
| Financial_Report.xlsx | 74295 | 2022-10-27 16:06:28 |
| MetaLinks.json | 514481 | 2022-10-27 16:06:28 |
| R1.htm | 53069 | 2022-10-27 16:06:28 |
| R10.htm | 125355 | 2022-10-27 16:06:28 |
| R11.htm | 176145 | 2022-10-27 16:06:28 |
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| R2.htm | 116288 | 2022-10-27 16:06:28 |
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| R21.htm | 143011 | 2022-10-27 16:06:28 |
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| R26.htm | 131531 | 2022-10-27 16:06:28 |
| R27.htm | 684892 | 2022-10-27 16:06:28 |
| R28.htm | 5614 | 2022-10-27 16:06:28 |
| R29.htm | 26918 | 2022-10-27 16:06:28 |
| R3.htm | 17489 | 2022-10-27 16:06:28 |
| R30.htm | 9817 | 2022-10-27 16:06:28 |
| R31.htm | 13935 | 2022-10-27 16:06:28 |
| R32.htm | 28257 | 2022-10-27 16:06:28 |
| R33.htm | 19474 | 2022-10-27 16:06:28 |
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| R4.htm | 99283 | 2022-10-27 16:06:28 |
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| R8.htm | 5340 | 2022-10-27 16:06:28 |
| R9.htm | 11969 | 2022-10-27 16:06:28 |
| report.css | 2767 | 2022-10-27 16:06:28 |
| Show.js | 1085 | 2022-10-27 16:06:28 |