# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000067716-23-000112
Filing Date
2023-11-02
Accepted
2023-11-02 16:43:40
Documents
113
Period of Report
2023-09-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | MDU RESOURCES FORM 10-Q 09-30-2023 | mdu-20230930.htm iXBRL | 10-Q | 2848122
2 | MDU RESOURCES CERTIFICATION OF CHIEF EXECUTIVE OFFICER | a2023q3ex31a.htm | EX-31.A | 9214
3 | MDU RESOURCES CERTIFICATION OF CHIEF FINANCIAL OFFICER | a2023q3ex31b.htm | EX-31.B | 8838
4 | MDU RESOURCES CERTIFICATION OF CEO AND CFO | a2023q3ex32.htm | EX-32 | 5363
| Complete submission text file | 0000067716-23-000112.txt |  | 13490608

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
5 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | mdu-20230930.xsd | EX-101.SCH | 66405
6 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | mdu-20230930_cal.xml | EX-101.CAL | 86663
7 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | mdu-20230930_def.xml | EX-101.DEF | 481472
8 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | mdu-20230930_lab.xml | EX-101.LAB | 939726
9 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | mdu-20230930_pre.xml | EX-101.PRE | 645047
107 | EXTRACTED XBRL INSTANCE DOCUMENT | mdu-20230930_htm.xml | XML | 2648788

Mailing Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503
Business Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503 701-530-1000
MDU RESOURCES GROUP INC (Filer) CIK: 0000067716 (see all company filings)

EIN.: 301133956 | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-03480 | Film No.: 231373167
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)