Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0000067716-24-000085-index.html | 2024-08-15 16:36:36 | |
| 0000067716-24-000085.txt | 2024-08-15 16:36:36 | |
 0000067716-24-000085-xbrl.zip | 15552 | 2024-08-15 16:36:36 |
| a2024ex99dellaroccaanddurk.htm | 8445 | 2024-08-15 16:36:36 |
| FilingSummary.xml | 1652 | 2024-08-15 16:36:36 |
| Financial_Report.xlsx | 5714 | 2024-08-15 16:36:36 |
| mdu-20240815.htm | 30976 | 2024-08-15 16:36:36 |
| mdu-20240815.xsd | 2139 | 2024-08-15 16:36:36 |
| mdu-20240815_def.xml | 14719 | 2024-08-15 16:36:36 |
| mdu-20240815_htm.xml | 2827 | 2024-08-15 16:36:36 |
| mdu-20240815_lab.xml | 25858 | 2024-08-15 16:36:36 |
| mdu-20240815_pre.xml | 15384 | 2024-08-15 16:36:36 |
 mdurlogo.jpg | 41111 | 2024-08-15 16:36:36 |
| MetaLinks.json | 19866 | 2024-08-15 16:36:36 |
| R1.htm | 39855 | 2024-08-15 16:36:36 |
| report.css | 2767 | 2024-08-15 16:36:36 |
| Show.js | 1085 | 2024-08-15 16:36:36 |