Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0000067716-25-000052-index.html | 2025-05-15 16:04:06 | |
| 0000067716-25-000052.txt | 2025-05-15 16:04:06 | |
 0000067716-25-000052-xbrl.zip | 28018 | 2025-05-15 16:04:06 |
| exhibit101.htm | 50342 | 2025-05-15 16:04:06 |
 exhibit101001.jpg | 252909 | 2025-05-15 16:04:06 |
 exhibit101002.jpg | 301956 | 2025-05-15 16:04:06 |
 exhibit101003.jpg | 333159 | 2025-05-15 16:04:06 |
 exhibit101004.jpg | 357271 | 2025-05-15 16:04:06 |
 exhibit101005.jpg | 352823 | 2025-05-15 16:04:06 |
 exhibit101006.jpg | 336542 | 2025-05-15 16:04:06 |
 exhibit101007.jpg | 361738 | 2025-05-15 16:04:06 |
 exhibit101008.jpg | 319230 | 2025-05-15 16:04:06 |
 exhibit101009.jpg | 275546 | 2025-05-15 16:04:06 |
| FilingSummary.xml | 1649 | 2025-05-15 16:04:06 |
| Financial_Report.xlsx | 5734 | 2025-05-15 16:04:06 |
| mdu-20250513.htm | 60550 | 2025-05-15 16:04:06 |
| mdu-20250513.xsd | 2020 | 2025-05-15 16:04:06 |
| mdu-20250513_def.xml | 14719 | 2025-05-15 16:04:06 |
| mdu-20250513_htm.xml | 2824 | 2025-05-15 16:04:06 |
| mdu-20250513_lab.xml | 25858 | 2025-05-15 16:04:06 |
| mdu-20250513_pre.xml | 15384 | 2025-05-15 16:04:06 |
| MetaLinks.json | 19866 | 2025-05-15 16:04:06 |
| R1.htm | 39833 | 2025-05-15 16:04:06 |
| report.css | 2767 | 2025-05-15 16:04:06 |
| Show.js | 1085 | 2025-05-15 16:04:06 |