# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000067716-17-000087
Filing Date
2017-11-03
Accepted
2017-11-03 09:20:26
Documents
98
Period of Report
2017-09-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | MDU RESOURCES FORM 10-Q 9-30-2017 | a2017q3form10-q.htm iXBRL | 10-Q | 2355855
2 | MDU RESOURCES 401 K RETIREMENT PLAN AMENDMENT 8-30-2017 | a2017q3ex10a.htm | EX-10.A | 13836
3 | MDU RESOURCES SECTION 16 OFFICERS AND DIRECTORS | a2017q3ex10b.htm | EX-10.B | 27887
4 | MDU RESOURCES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES | a2017q3ex12.htm | EX-12 | 36695
5 | MDU RESOURCES CERTIFICATION OF CHIEF EXECUTIVE OFFICER | a2017q3ex31a.htm | EX-31.A | 9819
6 | MDU RESOURCES CERTIFICATION OF CHIEF FINANCIAL OFFICER | a2017q3ex31b.htm | EX-31.B | 9250
7 | MDU RESOURCES CERTIFICATION OF CEO AND CFO | a2017q3ex32.htm | EX-32 | 6477
8 | MDU RESOURCES MINE SAFETY DISCLOSURES | a2017q3ex95.htm | EX-95 | 90878
| Complete submission text file | 0000067716-17-000087.txt |  | 11123788

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
9 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | mdu-20170930.xsd | EX-101.SCH | 58848
10 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | mdu-20170930_cal.xml | EX-101.CAL | 124932
11 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | mdu-20170930_def.xml | EX-101.DEF | 444899
12 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | mdu-20170930_lab.xml | EX-101.LAB | 782426
13 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | mdu-20170930_pre.xml | EX-101.PRE | 531141
14 | EXTRACTED XBRL INSTANCE DOCUMENT | a2017q3form10-q_htm.xml | XML | 2396541

Mailing Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503
Business Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503 701-530-1059
MDU RESOURCES GROUP INC (Filer) CIK: 0000067716 (see all company filings)

EIN.: 410423660 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-03480 | Film No.: 171174800
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)