# Filing Detail

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)