Form 8-K - Current report:
SEC Accession No. 0000067716-20-000025
Filing Date
2020-05-07
Accepted
2020-05-07 16:45:18
Documents
16
Period of Report
2020-05-07
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 a2020q1form8-k.htm   iXBRL 8-K 38797
2 MDU RESOURCES GROUP, INC. EX 99 a2020q1ex99.htm EX-99 426859
8 MDU RESOURCES GROUP, INC. LOGO mdurirpressreleasebasa12.jpg GRAPHIC 748436
  Complete submission text file 0000067716-20-000025.txt   1664127

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT mdu-20200507.xsd EX-101.SCH 4424
4 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT mdu-20200507_cal.xml EX-101.CAL 609
5 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT mdu-20200507_def.xml EX-101.DEF 14527
6 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT mdu-20200507_lab.xml EX-101.LAB 31386
7 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT mdu-20200507_pre.xml EX-101.PRE 16430
12 EXTRACTED XBRL INSTANCE DOCUMENT a2020q1form8-k_htm.xml XML 4464
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: 8-K | Act: 34 | File No.: 001-03480 | Film No.: 20857208
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)