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Mdu Resources Group Inc. – ‘10-K’ for 12/31/21 – ‘EX-101.CAL’

On:  Wednesday, 2/23/22, at 12:06pm ET   ·   For:  12/31/21   ·   Accession #:  67716-22-12   ·   File #:  1-03480

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

 2/23/22  Mdu Resources Group Inc.          10-K       12/31/21  161:38M

Annual Report   —   Form 10-K

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Mdu Resources 2021 Form 10-K                        HTML   2.57M 
 2: EX-10.K     Mdu Resources Long-Term Performance Incentive Plan  HTML     71K 
 3: EX-10.M     Mdu Resources Restrictive Stock Unit Award          HTML     59K 
                Agreement                                                        
 4: EX-10.W     Mdu Resources 401 K Retirement Plan Amendment       HTML     46K 
                01-01-22                                                         
 5: EX-21       Mdu Resources Subsidiaries of Mdu Resources         HTML     49K 
 6: EX-23       Mdu Resources Consent of Independent Accounting     HTML     36K 
                Firm                                                             
10: EX-95       Mdu Resources Mine Safety Disclosures               HTML    109K 
 7: EX-31.A     Mdu Resources Certification of Chief Executive      HTML     40K 
                Officer                                                          
 8: EX-31.B     Mdu Resources Certification of Chief Financial      HTML     40K 
                Officer                                                          
 9: EX-32       Mdu Resources Certification of CEO and CFO          HTML     38K 
16: R1          Cover page                                          HTML    101K 
17: R2          Audit Information                                   HTML     42K 
18: R3          Consolidated Statements of Income                   HTML    144K 
19: R4          Consolidated Statements of Comprehensive Income     HTML     96K 
20: R5          Consolidated Balance Sheets                         HTML    206K 
21: R6          Consolidated Statements of Equity                   HTML    112K 
22: R7          Consolidated Statements of Cash Flows               HTML    147K 
23: R8          Basis of Presentation                               HTML     45K 
24: R9          Accounting Policies                                 HTML    147K 
25: R10         Revenue from Contract with Customer                 HTML    215K 
26: R11         Business Combinations                               HTML     45K 
27: R12         Property, Plant, and Equipment                      HTML     85K 
28: R13         Regulatory assets and liabilities                   HTML     90K 
29: R14         Goodwill and other intangible assets                HTML     81K 
30: R15         Fair value measurements                             HTML    100K 
31: R16         Debt                                                HTML     99K 
32: R17         Leases                                              HTML     62K 
33: R18         Asset retirement obligations                        HTML     51K 
34: R19         Equity                                              HTML     53K 
35: R20         Stock-Based Compensation                            HTML     62K 
36: R21         Accumulated other comprehensive loss                HTML     75K 
37: R22         Income Taxes                                        HTML    120K 
38: R23         Cash flow information                               HTML     56K 
39: R24         Business segment data                               HTML    200K 
40: R25         Employee benefit plans                              HTML    392K 
41: R26         Jointly owned facilities                            HTML     66K 
42: R27         Regulatory matters                                  HTML     43K 
43: R28         Commitments and contingencies                       HTML     67K 
44: R29         Schedule I-Condensed Financial Information of       HTML    120K 
                Registrant                                                       
45: R30         Basis of Presentation (Policies)                    HTML     51K 
46: R31         Accounting Policies (Policies)                      HTML    130K 
47: R32         Revenue from Contract with Customer (Policies)      HTML     42K 
48: R33         Accumulated other comprehensive loss (Policies)     HTML     38K 
49: R34         Business segment data (Policies)                    HTML     40K 
50: R35         Commitment and Contingencies (Policies)             HTML     40K 
51: R36         Accounting Policies (Tables)                        HTML    105K 
52: R37         Revenue from contracts with customers (Tables)      HTML    208K 
53: R38         Property, Plant, and Equipment (Tables)             HTML     84K 
54: R39         Regulatory assets and liabilities (Tables)          HTML    135K 
55: R40         Goodwill and other intangible assets (Tables)       HTML     86K 
56: R41         Fair value measurements (Tables)                    HTML     98K 
57: R42         Debt (Tables)                                       HTML     91K 
58: R43         Leases (Tables)                                     HTML     60K 
59: R44         Asset Retirement Obligations (Tables)               HTML     49K 
60: R45         Equity (Tables)                                     HTML     48K 
61: R46         Stock-Based Compensation (Tables)                   HTML     62K 
62: R47         Accumulated other comprehensive loss (Tables)       HTML     76K 
63: R48         Income Taxes (Tables)                               HTML    125K 
64: R49         Cash flow information (Tables)                      HTML     56K 
65: R50         Business segment data (Tables)                      HTML    192K 
66: R51         Employee Benefit Plans (Tables)                     HTML    388K 
67: R52         Jointly owned facilities (Tables)                   HTML     66K 
68: R53         Commitment and Contingencies Disclosure (Tables)    HTML     45K 
69: R54         Accounting Policies - Receivables Past Due 90 Days  HTML     39K 
                (Details 1)                                                      
70: R55         Accounting Policies - CECL Table (Details 2)        HTML     67K 
71: R56         Accounting Policies - Accrued Unbilled Revenue      HTML     38K 
                (Details 3)                                                      
72: R57         Accounting Policies - Retainage (Details 4)         HTML     45K 
73: R58         Accounting Policies - Inventory (Details 5)         HTML     54K 
74: R59         Accounting Policies - PPE (Details 6)               HTML     42K 
75: R60         Accounting Policies - Impairment of Long-Lived      HTML     39K 
                Assets (Details 7)                                               
76: R61         Natural Gas Costs Recoverable or Refundable         HTML     41K 
                through Rate Adjustments (Details 8)                             
77: R62         Accounting Policies - Goodwill (Details 9)          HTML     39K 
78: R63         Accounting Policies - Joint Ventures (Details 10)   HTML     70K 
79: R64         Accounting Policies - Derivatives (Details 11)      HTML     41K 
80: R65         Accounting Policies - EPS (Details 12)              HTML     46K 
81: R66         Accounting Policies - Income Taxes (Details 13)     HTML     38K 
82: R67         Disaggregation of revenue (Details)                 HTML    141K 
83: R68         Contract balances (Details 2)                       HTML     59K 
84: R69         Revenue from contracts with customers Remaining     HTML     49K 
                performance obligations (Details 3)                              
85: R70         Business Combinations (Details)                     HTML     65K 
86: R71         Business Combinations - Assets Acquired &           HTML     68K 
                Liabilities Assumed (Details 2)                                  
87: R72         Property, Plant, and Equipment (Details)            HTML    121K 
88: R73         Regulatory assets (Details)                         HTML     87K 
89: R74         Regulatory liabilities (Details 2)                  HTML     68K 
90: R75         Goodwill rollforward (Details)                      HTML     54K 
91: R76         Other intangible assets (Details 2)                 HTML     55K 
92: R77         Future amortization expense (Details 3)             HTML     50K 
93: R78         Fair value measurements insurance contracts         HTML     42K 
                (Details)                                                        
94: R79         Available-for-sale securities (Details 2)           HTML     53K 
95: R80         Fair value measurements (Details 3)                 HTML     69K 
96: R81         Fair value measurements (Details 5)                 HTML     47K 
97: R82         Credit facilities (Details)                         HTML     66K 
98: R83         Short-term Debt (Details 2)                         HTML     45K 
99: R84         Long-term debt outstanding (Details 3)              HTML     68K 
100: R85         Long-term borrowings (Details 4)                    HTML     82K  
101: R86         Schedule of debt maturities (Details 5)             HTML     54K  
102: R87         Lease costs (Details)                               HTML     53K  
103: R88         Operating lease liabilities undiscounted cash       HTML     56K  
                flows maturity schedule (Details 2)                              
104: R89         Lessor accounting (Details 3)                       HTML     41K  
105: R90         Asset Retirement Obligations (Details)              HTML     54K  
106: R91         Common stock (Details)                              HTML     49K  
107: R92         Common stock Common stock issuance (Details 2)      HTML     53K  
108: R93         Preferred Stock (Details 3)                         HTML     44K  
109: R94         Stock based compensation plans (Details)            HTML     46K  
110: R95         Stock awards (Details 2)                            HTML     42K  
111: R96         Restricted stock awards (Details 3)                 HTML     43K  
112: R97         Performance share awards (Details 4)                HTML    105K  
113: R98         Accumulated other comprehensive loss (Details)      HTML     70K  
114: R99         Reclassification out of accumulated other           HTML     72K  
                comprehensive loss (Details 2)                                   
115: R100        Components of income before income taxes from       HTML     47K  
                continuing operations (Details)                                  
116: R101        Income tax expense (Benefit) (Details 2)            HTML     64K  
117: R102        Components of deferred tax assets and liabilities   HTML     76K  
                (Details 3)                                                      
118: R103        Carryforwards (Details 4)                           HTML     46K  
119: R104        Deferred tax reconciliation (Details 5)             HTML     48K  
120: R105        Income tax expense (Benefit) Statutory Rate Versus  HTML     74K  
                Actual Rate (Details 6)                                          
121: R106        Cash flow information (Details)                     HTML     54K  
122: R107        Business segment data (Details)                     HTML    172K  
123: R108        Change in benefit obligations and plan assets       HTML    124K  
                (Details)                                                        
124: R109        Benefit obligations in excess of plan assets        HTML     49K  
                (Details 2)                                                      
125: R110        Components of net periodic benefit cost (Details    HTML     99K  
                3)                                                               
126: R111        Weighted average assumptions (Details 4)            HTML     61K  
127: R112        Investment Allocations (Details 5)                  HTML     55K  
128: R113        Health care rate assumptions and cost trend rate    HTML     47K  
                (Details 6)                                                      
129: R114        Estimated future benefit payments and subsidies     HTML     78K  
                (Details 7)                                                      
130: R115        Fair value - pension (Details 8)                    HTML     99K  
131: R116        Fair value - other postretirement (Details 9)       HTML     94K  
132: R117        Nonqualified Benefit Plans Benefit Obligations      HTML     46K  
                (Details 10)                                                     
133: R118        Nonqualified Benefit Plans Components of NPBC       HTML     53K  
                (Details 11)                                                     
134: R119        Nonqualified Benefit Plans Weighted Average         HTML     45K  
                Assumptions (Details 12)                                         
135: R120        Nonqualified Benefit Plans Future Benefit Payments  HTML     53K  
                (Details 13)                                                     
136: R121        Nonqualified Benefit Plans Contributions (Details   HTML     42K  
                14)                                                              
137: R122        Nonqualified Benefit Plans Investments (Details     HTML     48K  
                15)                                                              
138: R123        Defined Contribution Benefit Plans Contribution     HTML     40K  
                (Details 16)                                                     
139: R124        Multiemployer Plans Zones (Details 17)              HTML     47K  
140: R125        Multiemployer Plans Participation by Plan (Details  HTML    130K  
                18)                                                              
141: R126        Multiemployer Plan Contributions (Details 19)       HTML     44K  
142: R127        Jointly owned facilities (Details)                  HTML     62K  
143: R128        Mnpuc (Details)                                     HTML     43K  
144: R129        Ndpsc (Details 2)                                   HTML     45K  
145: R130        Sdpuc (Details 3)                                   HTML     42K  
146: R131        Wutc (Details 4)                                    HTML     45K  
147: R132        Ferc (Details 5)                                    HTML     43K  
148: R133        Litigation (Details)                                HTML     42K  
149: R134        Enviromental matters (Details 2)                    HTML     70K  
150: R135        Purchase commitments (Details 3)                    HTML     57K  
151: R136        Guarantees (Details 4)                              HTML     62K  
152: R137        Variable interest entities (Details 5)              HTML     40K  
153: R138        Condensed Statements of Income and Comprehensive    HTML     57K  
                Income (Details)                                                 
154: R139        Condensed Balance Sheets (Details 2)                HTML    183K  
155: R140        Condensed Statements of Cash Flows (Details 3)      HTML     79K  
156: R141        Notes to Condensed Financial Statements (Details    HTML     40K  
                4)                                                               
159: XML         IDEA XML File -- Filing Summary                      XML    292K  
157: XML         XBRL Instance -- mdu-20211231_htm                    XML   6.68M  
158: EXCEL       IDEA Workbook of Financial Reports                  XLSX    226K  
12: EX-101.CAL  XBRL Calculations -- mdu-20211231_cal                XML    247K 
13: EX-101.DEF  XBRL Definitions -- mdu-20211231_def                 XML   1.91M 
14: EX-101.LAB  XBRL Labels -- mdu-20211231_lab                      XML   3.18M 
15: EX-101.PRE  XBRL Presentations -- mdu-20211231_pre               XML   2.26M 
11: EX-101.SCH  XBRL Schema -- mdu-20211231                          XSD    332K 
160: JSON        XBRL Instance as JSON Data -- MetaLinks              750±  1.05M  
161: ZIP         XBRL Zipped Folder -- 0000067716-22-000012-xbrl      Zip   6.22M

‘EX-101.CAL’   —   XBRL Calculations — mdu-20211231_cal

This Exhibit is an XBRL XML File.

                                                                                                                                                                                
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3 Subsequent Filings that Reference 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
 2/22/24  MDU Resources Group, Inc.         10-K       12/31/23  161:31M
 2/24/23  MDU Resources Group, Inc.         10-K       12/31/22  172:39M

22 Previous Filings that this Filing References

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

11/04/21  MDU Resources Group, Inc.         10-Q        9/30/21  101:13M
 8/05/21  MDU Resources Group, Inc.         10-Q        6/30/21  100:12M
 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
 8/02/19  MDU Resources Group, Inc.         10-Q        6/30/19  118:14M
 5/08/19  MDU Resources Group, Inc.         8-K:5,9     5/07/19    3:123K
 2/22/19  MDU Resources Group, Inc.         10-K       12/31/18  158:25M
 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
 2/19/16  MDU Resources Group, Inc.         10-K       12/31/15  157:23M
 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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