# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000067716-16-000148
Filing Date
2016-05-06
Accepted
2016-05-06 09:23:25
Documents
86
Period of Report
2016-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | MDU RESOURCES FORM 10-Q 3-31-2016 | a2016q1form10-q.htm | 10-Q | 1414902
2 | MDU RESOURCES SUPPLEMENTAL INCOME SECURITY PLAN 2-11-2016 | a2016q1ex10a.htm | EX-10.A | 332883
3 | MDU RESOURCES EXECUTIVE INCENTIVE COMPENSATION PLAN AMENDED 2-11-2016 | a2016q1ex10b.htm | EX-10.B | 94689
4 | MDU RESOURCES 401 K RETIREMENT PLAN AMENDMENT 1-22-2016 | a2016q1ex10c.htm | EX-10.C | 24559
5 | MDU RESOURCES 401 K RETIREMENT PLAN AMENDMENT 3-10-2016 | a2016q1ex10d.htm | EX-10.D | 10804
6 | MDU RESOURCES SECTION 16 OFFICERS AND DIRECTORS | a2016q1ex10e.htm | EX-10.E | 30933
7 | MDU RESOURCES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES | a2016q1ex12.htm | EX-12 | 36701
8 | MDU RESOURCES CERTIFICATION OF CHIEF EXECUTIVE OFFICER | a2016q1ex31a.htm | EX-31.A | 9814
9 | MDU RESOURCES CERTIFICATION OF CHIEF FINANCIAL OFFICER | a2016q1ex31b.htm | EX-31.B | 9237
10 | MDU RESOURCES CERTIFICATION OF CEO AND CFO | a2016q1ex32.htm | EX-32 | 6450
11 | MDU RESOURCES MINE SAFETY DISCLOSURES | a2016q1ex95.htm | EX-95 | 91183
| Complete submission text file | 0000067716-16-000148.txt |  | 9329023

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
12 | XBRL INSTANCE DOCUMENT | mdu-20160331.xml | EX-101.INS | 2105156
13 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | mdu-20160331.xsd | EX-101.SCH | 59005
14 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | mdu-20160331_cal.xml | EX-101.CAL | 122627
15 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | mdu-20160331_def.xml | EX-101.DEF | 368283
16 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | mdu-20160331_lab.xml | EX-101.LAB | 841395
17 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | mdu-20160331_pre.xml | EX-101.PRE | 457636

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.: 161626125
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)