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MDU Resources Group, Inc. – ‘10-K’ for 12/31/23 – ‘XML’

On:  Thursday, 2/22/24, at 5:28pm ET   ·   For:  12/31/23   ·   Accession #:  67716-24-17   ·   File #:  1-03480

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  As Of               Filer                 Filing    For·On·As Docs:Size

 2/22/24  MDU Resources Group, Inc.         10-K       12/31/23  161:31M

Annual Report   —   Form 10-K   —   SEA’34

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Mdu Resources 2023 Form 10-K                        HTML   4.47M 
 2: EX-10.AE    Mdu Resources 401 K Retirement Plan Amendment       HTML     54K 
                5-1-23                                                           
 3: EX-10.AF    Mdu Resources 401 K Retirement Plan Amendment       HTML     44K 
                8-23-23                                                          
 4: EX-10.AG    Mdu Resources 401 K Retirement Plan Amendment       HTML     45K 
                1-1-24                                                           
 5: EX-10.U     Mdu Resources Section 16 Officers and Directors     HTML     48K 
 6: EX-21       Mdu Resources Subsidiaries of Mdu Resources         HTML     50K 
 7: EX-23       Mdu Resources Consent of Independent Accounting     HTML     41K 
                Firm                                                             
11: EX-97       Mdu Resources Incentive Compensation Recovery       HTML     65K 
                Policy                                                           
 8: EX-31.A     Mdu Resources Certification of Chief Executive      HTML     45K 
                Officer                                                          
 9: EX-31.B     Mdu Resources Certification of Chief Financial      HTML     45K 
                Officer                                                          
10: EX-32       Mdu Resources Certification of CEO and CFO          HTML     43K 
17: R1          Cover Page                                          HTML    109K 
18: R2          Audit Information                                   HTML     47K 
19: R3          Consolidated Statements of Income                   HTML    149K 
20: R4          Consolidated Statements of Comprehensive Income     HTML     91K 
21: R5          Consolidated Balance Sheets                         HTML    198K 
22: R6          Consolidated Statements of Equity                   HTML    129K 
23: R7          Consolidated Statements of Cash Flows               HTML    173K 
24: R8          Consolidated Statements of Comprehensive Income     HTML     57K 
                (Parenthetical)                                                  
25: R9          Consolidated Balance Sheets (Parenthetical)         HTML     52K 
26: R10         Consolidated Statements of Cash Flows               HTML     44K 
                (Parenthetical)                                                  
27: R11         Basis of Presentation                               HTML     50K 
28: R12         Significant Accounting Policies                     HTML    160K 
29: R13         Discontinued Operations                             HTML     84K 
30: R14         Revenue from Contracts with Customers               HTML    179K 
31: R15         Property, Plant and Equipment                       HTML     82K 
32: R16         Regulatory Assets and Liabilities                   HTML    109K 
33: R17         Environmental Allowances and Obligations            HTML     45K 
34: R18         Goodwill and Other Intangible Assets                HTML     62K 
35: R19         Fair Value Measurements                             HTML    106K 
36: R20         Debt                                                HTML    114K 
37: R21         Leases                                              HTML     71K 
38: R22         Asset Retirement Obligations                        HTML     55K 
39: R23         Equity                                              HTML     52K 
40: R24         Stock-Based Compensation                            HTML     79K 
41: R25         Accumulated Other Comprehensive Loss                HTML     83K 
42: R26         Income Taxes                                        HTML    126K 
43: R27         Cash Flow Information                               HTML     59K 
44: R28         Business Segment Data                               HTML    205K 
45: R29         Employee Benefit Plans                              HTML    380K 
46: R30         Jointly Owned Facilities                            HTML     77K 
47: R31         Regulatory Matters                                  HTML     49K 
48: R32         Commitments and Contingencies                       HTML     68K 
49: R33         Subsequent Events                                   HTML     44K 
50: R34         Schedule I-Condensed Financial Information of       HTML    153K 
                Registrant                                                       
51: R35         Pay vs Performance Disclosure                       HTML     54K 
52: R36         Insider Trading Arrangements                        HTML     48K 
53: R37         Significant Accounting Policies (Policies)          HTML    180K 
54: R38         Significant Accounting Policies (Tables)            HTML    119K 
55: R39         Discontinued Operations (Tables)                    HTML     83K 
56: R40         Revenue from Contracts with Customers (Tables)      HTML    171K 
57: R41         Property, Plant and Equipment (Tables)              HTML     81K 
58: R42         Regulatory Assets and Liabilities (Tables)          HTML    169K 
59: R43         Goodwill and Other Intangible Assets (Tables)       HTML     63K 
60: R44         Fair Value Measurements (Tables)                    HTML    107K 
61: R45         Debt (Tables)                                       HTML    103K 
62: R46         Leases (Tables)                                     HTML     68K 
63: R47         Asset Retirement Obligations (Tables)               HTML     53K 
64: R48         Stock-Based Compensation (Tables)                   HTML     75K 
65: R49         Accumulated Other Comprehensive Loss (Tables)       HTML     84K 
66: R50         Income Taxes (Tables)                               HTML    131K 
67: R51         Cash Flow Information (Tables)                      HTML     58K 
68: R52         Business Segment Data (Tables)                      HTML    219K 
69: R53         Employee Benefit Plans (Tables)                     HTML    375K 
70: R54         Jointly Owned Facilities (Tables)                   HTML     77K 
71: R55         Commitments and Contingencies (Tables)              HTML     50K 
72: R56         Significant Accounting Policies - Cash, Cash        HTML     44K 
                Equivalents And Restricted Cash (Details)                        
73: R57         Significant Accounting Policies - Receivables And   HTML     45K 
                Allowance For Expected Credit Losses (Details)                   
74: R58         Significant Accounting Policies - Expected Credit   HTML     70K 
                Loss (Details)                                                   
75: R59         Significant Accounting Policies - Retainage         HTML     49K 
                Provision Contracts (Details)                                    
76: R60         Significant Accounting Policies - Inventories And   HTML     55K 
                Natural Gas In Storage (Details)                                 
77: R61         Significant Accounting Policies - Property, Plant   HTML     46K 
                and Equipment (Details)                                          
78: R62         Significant Accounting Policies - Impairment of     HTML     44K 
                Long-Lived Assets, Excluding Goodwill (Details)                  
79: R63         Significant Accounting Policies - Natural Gas       HTML     46K 
                Costs Recoverable or Refundable through Rate                     
                Adjustments (Details)                                            
80: R64         Significant Accounting Policies - Electric Fuel     HTML     45K 
                and Purchased Power Deferral (Details)                           
81: R65         Significant Accounting Policies - Goodwill          HTML     44K 
                (Details)                                                        
82: R66         Significant Accounting Policies - Joint Ventures    HTML     73K 
                (Details)                                                        
83: R67         Significant Accounting Policies - Earnings Per      HTML     92K 
                Share (Details)                                                  
84: R68         Significant Accounting Policies - Income Taxes      HTML     43K 
                (Details)                                                        
85: R69         Discontinued Operations - Narrative (Details)       HTML     92K 
86: R70         Discontinued Operations - Schedule of Assets and    HTML    136K 
                Liabilities of Discontinued Operations (Details)                 
87: R71         Discontinued Operations - Schedule of Income and    HTML     66K 
                Expense Constituting Pretax Income (Loss) From                   
                Discontinued Operations (Details)                                
88: R72         Revenue from Contracts with Customers - Narrative   HTML     67K 
                (Details)                                                        
89: R73         Revenue from Contracts with Customers -             HTML    159K 
                Disaggregation of Revenue (Details)                              
90: R74         Revenue from Contracts with Customers - Contract    HTML     63K 
                Balances (Details)                                               
91: R75         Property, Plant and Equipment (Details)             HTML    107K 
92: R76         Regulatory Assets and Liabilities - Schedule of     HTML    132K 
                Unamortized Regulatory Assets and Liabilities                    
                (Details)                                                        
93: R77         Regulatory Assets and Liabilities - Narrative       HTML     44K 
                (Details)                                                        
94: R78         Environmental Allowances and Obligations (Details)  HTML     46K 
95: R79         Goodwill and Other Intangible Assets - Narrative    HTML     62K 
                (Details)                                                        
96: R80         Goodwill and Other Intangible Assets - Other        HTML     54K 
                Intangible Assets (Details)                                      
97: R81         Goodwill and Other Intangible Assets - Future       HTML     55K 
                Amortization Expense (Details)                                   
98: R82         Fair Value Measurements - Narrative (Details)       HTML     48K 
99: R83         Fair Value Measurements - Available-for-Sale        HTML     58K 
                Securities (Details)                                             
100: R84         Fair Value Measurements - Schedule of Fair Value,   HTML     93K  
                Assets and Liabilities Measured on Recurring Basis               
                (Details)                                                        
101: R85         Fair Value Measurements - Fair Value, by Balance    HTML     52K  
                Sheet Grouping (Details)                                         
102: R86         Debt - Credit Facilities (Details)                  HTML     76K  
103: R87         Debt - Short-Term Debt (Details)                    HTML     80K  
104: R88         Debt - Schedule of Long-Term Debt Outstanding       HTML     80K  
                (Details)                                                        
105: R89         Debt - Long-Term Debt (Details)                     HTML    104K  
106: R90         Debt - Schedule of Debt Maturities (Details)        HTML     58K  
107: R91         Leases - Narrative (Details)                        HTML     56K  
108: R92         Leases - Lease Costs (Details)                      HTML     58K  
109: R93         Leases - Schedule of Operating Lease Liabilities    HTML     60K  
                Undiscounted Cash Flows Maturity (Details)                       
110: R94         Asset Retirement Obligations (Details)              HTML     57K  
111: R95         Equity - Narrative (Details)                        HTML     78K  
112: R96         Stock-Based Compensation - Narrative (Details)      HTML    100K  
113: R97         Stock-Based Compensation - Schedule of Target       HTML     56K  
                Grants of Restricted Stock Units (Details)                       
114: R98         Stock-Based Compensation - Schedule of Performance  HTML     65K  
                Shares Valuation Assumptions (Details)                           
115: R99         Stock-Based Compensation - Restricted Stock Unit    HTML     75K  
                and Performance Share Awards Activity (Details)                  
116: R100        Accumulated Other Comprehensive Loss - Schedule of  HTML     80K  
                Accumulated Other Comprehensive Income (Loss)                    
                (Details)                                                        
117: R101        Accumulated Other Comprehensive Loss -              HTML     78K  
                Reclassification Out of AOCI (Details)                           
118: R102        Income Taxes - Components of Income Before Income   HTML     51K  
                Taxes from Continuing Operations (Details)                       
119: R103        Income Taxes - Income Tax Expense (Benefit)         HTML     69K  
                (Details)                                                        
120: R104        Income Taxes - Components of Deferred Tax Assets    HTML     81K  
                and Liabilities (Details)                                        
121: R105        Income Taxes - Narrative (Details)                  HTML     52K  
122: R106        Income Taxes - Deferred Tax Reconciliation          HTML     52K  
                (Details)                                                        
123: R107        Income Taxes - Income Tax Expense (Benefit)         HTML     77K  
                Statutory Rate vs Actual Rate (Details)                          
124: R108        Cash Flow Information (Details)                     HTML     58K  
125: R109        Business Segment Data - Schedule of Segment         HTML    164K  
                Reporting Information, by Segment (Details)                      
126: R110        Business Segment Data - Operating Revenues and      HTML     67K  
                Operating Assets Reconciliation (Details)                        
127: R111        Employee Benefit Plans - Change in Benefit          HTML    121K  
                Obligations and Plan Assets (Details)                            
128: R112        Employee Benefit Plans - Benefit Obligations in     HTML     51K  
                Excess of Plan Assets (Details)                                  
129: R113        Employee Benefit Plans - Components of Net          HTML    105K  
                Periodic Benefit Cost (Details)                                  
130: R114        Employee Benefit Plans - Weighted Average           HTML     58K  
                Assumptions (Details)                                            
131: R115        Employee Benefit Plans - Narrative (Details)        HTML     83K  
132: R116        Employee Benefit Plans - Health Care Rate           HTML     47K  
                Assumptions and Cost Trend Rate (Details)                        
133: R117        Employee Benefit Plans - Estimated Future Benefit   HTML     73K  
                Payments and Subsidies (Details)                                 
134: R118        Employee Benefit Plans - Pension Fair Value         HTML    119K  
                (Details)                                                        
135: R119        Employee Benefit Plans - Other Postretirement Fair  HTML     99K  
                value (Details)                                                  
136: R120        Employee Benefit Plans - Nonqualified Benefit       HTML     48K  
                Plans Benefit Obligations (Details)                              
137: R121        Employee Benefit Plans - Nonqualified Benefit       HTML     52K  
                Plans Components of NPBC (Details)                               
138: R122        Employee Benefit Plans - Nonqualified Benefit       HTML     47K  
                Plans Weighted Average Assumptions (Details)                     
139: R123        Employee Benefit Plans - Nonqualified Benefit       HTML     55K  
                Plans Future Benefit Payments (Details)                          
140: R124        Employee Benefit Plans - Nonqualified Benefit       HTML     51K  
                Plans Investments (Details)                                      
141: R125        Employee Benefit Plans -Multiemployer Plans         HTML    118K  
                Participation by Plan (Details)                                  
142: R126        Jointly Owned Facilities (Details)                  HTML     70K  
143: R127        Regulatory Matters - NDPSC (Details)                HTML     62K  
144: R128        Regulatory Matters - SDPUC (Details)                HTML     58K  
145: R129        Regulatory Matters - FERC (Details)                 HTML     47K  
146: R130        Commitments and Contingencies - Litigation          HTML     47K  
                (Details)                                                        
147: R131        Commitments and Contingencies - Environmental       HTML     72K  
                matters (Details)                                                
148: R132        Commitments and Contingencies - Purchase            HTML     63K  
                Commitments (Details)                                            
149: R133        Commitments and Contingencies - Guarantees          HTML     66K  
                (Details)                                                        
150: R134        Commitments and Contingencies - Variable Interest   HTML     47K  
                Entities (Details)                                               
151: R135        Subsequent Events (Details)                         HTML     60K  
152: R136        Schedule I-Condensed Financial Information of       HTML    102K  
                Registrant - Condensed Statements of Income and                  
                Comprehensive Income (Details)                                   
153: R137        Schedule I-Condensed Financial Information of       HTML    175K  
                Registrant - Condensed Balance Sheets (Details)                  
154: R138        Schedule I-Condensed Financial Information of       HTML     54K  
                Registrant - Condensed Balance Sheets                            
                (Parenthetical) (Details)                                        
155: R139        Schedule I-Condensed Financial Information of       HTML     99K  
                Registrant - Condensed Statements of Cash Flows                  
                (Details)                                                        
156: R140        Schedule I-Condensed Financial Information of       HTML     80K  
                Registrant - Notes to Condensed Financial                        
                Statements (Details)                                             
158: XML         IDEA XML File -- Filing Summary                      XML    298K  
161: XML         XBRL Instance -- mdu-20231231_htm                    XML   6.03M  
157: EXCEL       IDEA Workbook of Financial Report Info              XLSX    352K  
13: EX-101.CAL  XBRL Calculations -- mdu-20231231_cal                XML    414K 
14: EX-101.DEF  XBRL Definitions -- mdu-20231231_def                 XML   1.69M 
15: EX-101.LAB  XBRL Labels -- mdu-20231231_lab                      XML   3.55M 
16: EX-101.PRE  XBRL Presentations -- mdu-20231231_pre               XML   2.42M 
12: EX-101.SCH  XBRL Schema -- mdu-20231231                          XSD    358K 
159: JSON        XBRL Instance as JSON Data -- MetaLinks              938±  1.42M  
160: ZIP         XBRL Zipped Folder -- 0000067716-24-000017-xbrl      Zip   5.76M  


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1 Subsequent Filing that References this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/23/24  MDU Resources Group, Inc.         S-8         2/23/24    5:92K                                    Toppan Merrill/FA


25 Previous Filings that this Filing References

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/21/24  MDU Resources Group, Inc.         8-K:5,9     2/15/24   13:449K
 6/01/23  MDU Resources Group, Inc.         8-K:1,2,5,7 5/30/23   19:4.4M                                   Broadridge Fin’l So… Inc
 2/24/23  MDU Resources Group, Inc.         10-K       12/31/22  172:39M
 1/24/23  MDU Resources Group, Inc.         8-K:1,5,8,9 1/24/23   13:589K
11/03/22  MDU Resources Group, Inc.         10-Q        9/30/22   99:13M
 8/05/22  MDU Resources Group, Inc.         10-Q        6/30/22  100:13M
 2/23/22  MDU Resources Group, Inc.         10-K       12/31/21  161:38M
11/04/21  MDU Resources Group, Inc.         10-Q        9/30/21  101:13M
 5/06/21  MDU Resources Group, Inc.         10-Q        3/31/21   98:10M
 2/19/21  MDU Resources Group, Inc.         10-K       12/31/20  171:24M
11/12/20  MDU Resources Group, Inc.         8-K:5,9    11/12/20   14:486K
 5/08/20  MDU Resources Group, Inc.         10-Q        3/31/20  101:11M
 2/21/20  MDU Resources Group, Inc.         10-K       12/31/19  169:27M
11/01/19  MDU Resources Group, Inc.         10-Q        9/30/19  116:15M
 5/08/19  MDU Resources Group, Inc.         8-K:5,9     5/07/19    3:123K
 2/15/19  MDU Resources Group, Inc.         8-K:5,9     2/14/19    2:1M
 9/21/17  MDU Resources Group, Inc.         8-K:5,9     9/15/17    3:283K
 8/04/17  MDU Resources Group, Inc.         10-Q        6/30/17   90:9.8M
 5/15/14  MDU Resources Group, Inc.         8-K:1,5,9   5/15/14    4:459K
 2/21/14  MDU Resources Group, Inc.         10-K       12/31/13  156:29M
 8/07/12  MDU Resources Group, Inc.         10-Q        6/30/12   70:10M
 8/05/11  MDU Resources Group, Inc.         10-Q        6/30/11   63:10M
 2/17/10  MDU Resources Group, Inc.         10-K       12/31/09   61:12M
 8/07/08  MDU Resources Group, Inc.         10-Q        6/15/08   10:2.6M
 1/21/04  MDU Resources Group, Inc.         S-8         1/21/04    7:911K                                   Dewey & Leboeuf LLP
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