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| 0000067716-24-000026.txt | 2024-03-18 08:14:37 | |
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| FilingSummary.xml | 1649 | 2024-03-18 08:14:37 |
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| mdu-20240314.xsd | 2139 | 2024-03-18 08:14:37 |
| mdu-20240314_def.xml | 14719 | 2024-03-18 08:14:37 |
| mdu-20240314_htm.xml | 2827 | 2024-03-18 08:14:37 |
| mdu-20240314_lab.xml | 25858 | 2024-03-18 08:14:37 |
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