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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0000067716-21-000052
Filing Date
2021-11-03
Accepted
2021-11-03 16:57:51
Documents
15
Period of Report
2021-11-03
Items
Item 2.02: Results of Operations and Financial Condition
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 MDU RESOURCES GROUP, INC. FORM 8-K mdu-20211103.htm   iXBRL 8-K 32421
2 MDU RESOURCES GROUP, INC. EX 99 a2021q3ex99.htm EX-99 566992
3 MDU RESOURCES GROUP, INC. LOGO mdurirpressreleasebasa18a.jpg GRAPHIC 748436
  Complete submission text file 0000067716-21-000052.txt   1800742

Data Files

Seq Description Document Type Size
4 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT mdu-20211103.xsd EX-101.SCH 2162
5 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT mdu-20211103_def.xml EX-101.DEF 14946
6 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT mdu-20211103_lab.xml EX-101.LAB 29024
7 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT mdu-20211103_pre.xml EX-101.PRE 15562
8 EXTRACTED XBRL INSTANCE DOCUMENT mdu-20211103_htm.xml XML 11211
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: 8-K | Act: 34 | File No.: 001-03480 | Film No.: 211376301
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)