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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)

IRS No.: 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)