Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000067716-24-000059-index-headers.html | 2024-05-17 17:33:40 | |
| 0000067716-24-000059-index.html | 2024-05-17 17:33:40 | |
| 0000067716-24-000059.txt | 2024-05-17 17:33:40 | |
 0000067716-24-000059-xbrl.zip | 13128 | 2024-05-17 17:33:40 |
| FilingSummary.xml | 1654 | 2024-05-17 17:33:40 |
| Financial_Report.xlsx | 5713 | 2024-05-17 17:33:40 |
| mdu-20240514.htm | 45908 | 2024-05-17 17:33:40 |
| mdu-20240514.xsd | 2139 | 2024-05-17 17:33:40 |
| mdu-20240514_def.xml | 14719 | 2024-05-17 17:33:40 |
| mdu-20240514_htm.xml | 2827 | 2024-05-17 17:33:40 |
| mdu-20240514_lab.xml | 25858 | 2024-05-17 17:33:40 |
| mdu-20240514_pre.xml | 15384 | 2024-05-17 17:33:40 |
| MetaLinks.json | 19866 | 2024-05-17 17:33:40 |
| R1.htm | 39855 | 2024-05-17 17:33:40 |
| report.css | 2767 | 2024-05-17 17:33:40 |
| Show.js | 1084 | 2024-05-17 17:33:40 |