XML 56 R40.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Business segment data (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Segment Reporting [Abstract] |
Information on the Company's businesses | The information below follows the same accounting policies as described in the Summary of Significant Accounting Policies. Information on the Company's businesses as of December 31 and for the years then ended was as follows:
| 2016 |  | 2015 |  | 2014 |
|  | (In thousands) |  |
External operating revenues: |  |  |
Regulated operations: |  |  |
Electric | $ | 322,356 |  | $ | 280,615 |  | $ | 277,874 |
Natural gas distribution | 766,115 |  | 817,419 |  | 921,986 |
Pipeline and midstream | 52,983 |  | 51,004 |  | 47,043 |
| 1,141,454 |  | 1,149,038 |  | 1,246,903 |
Nonregulated operations: |  |  |
Pipeline and midstream | 39,602 |  | 54,281 |  | 64,494 |
Construction materials and contracting | 1,873,696 |  | 1,901,530 |  | 1,740,089 |
Construction services | 1,072,663 |  | 907,767 |  | 1,062,055 |
Other | 1,413 |  | 1,436 |  | 1,532 |
| 2,987,374 |  | 2,865,014 |  | 2,868,170 |
Total external operating revenues | $ | 4,128,828 |  | $ | 4,014,052 |  | $ | 4,115,073 |
Intersegment operating revenues: |  |  |  |  |  |
Regulated operations: |  |  |
Electric | $ | — |  | $ | — |  | $ | — |
Natural gas distribution | — |  | — |  | — |
Pipeline and midstream | 48,794 |  | 49,065 |  | 45,013 |
| 48,794 |  | 49,065 |  | 45,013 |
Nonregulated operations: |  |  |
Pipeline and midstream | 223 |  | 554 |  | 742 |
Construction materials and contracting | 574 |  | 2,752 |  | 25,241 |
Construction services | 609 |  | 18,660 |  | 57,474 |
Other | 7,230 |  | 7,755 |  | 7,832 |
| 8,636 |  | 29,721 |  | 91,289 |
Intersegment eliminations | (57,430 | ) | (78,786 | ) | (136,302 | )
Total intersegment operating revenues | $ | — |  | $ | — |  | $ | — |
Depreciation, depletion and amortization: |  |  |  |  |  |
Electric | $ | 50,220 |  | $ | 37,583 |  | $ | 35,008 |
Natural gas distribution | 65,426 |  | 64,756 |  | 54,700 |
Pipeline and midstream | 24,885 |  | 27,981 |  | 29,749 |
Construction materials and contracting | 58,413 |  | 65,937 |  | 68,557 |
Construction services | 15,307 |  | 13,420 |  | 12,874 |
Other | 2,067 |  | 2,070 |  | 2,196 |
Total depreciation, depletion and amortization | $ | 216,318 |  | $ | 211,747 |  | $ | 203,084 |
Interest expense: |  |  |  |  |  |
Electric | $ | 24,982 |  | $ | 17,421 |  | $ | 15,595 |
Natural gas distribution | 30,405 |  | 29,471 |  | 27,217 |
Pipeline and midstream | 7,903 |  | 9,895 |  | 9,946 |
Construction materials and contracting | 15,265 |  | 15,183 |  | 16,368 |
Construction services | 4,059 |  | 3,959 |  | 4,176 |
Other | 5,854 |  | 15,853 |  | 13,823 |
Intersegment eliminations | (620 | ) | (603 | ) | (254 | )
Total interest expense | $ | 87,848 |  | $ | 91,179 |  | $ | 86,871 |
| 2016 |  | 2015 |  | 2014 |
|  | (In thousands) |  |
Income taxes: |  |  |  |  |  |
Electric | $ | 1,449 |  | $ | 11,523 |  | $ | 12,442 |
Natural gas distribution | 9,181 |  | 11,377 |  | 11,350 |
Pipeline and midstream | 12,408 |  | 7,505 |  | 12,232 |
Construction materials and contracting | 60,625 |  | 41,619 |  | 18,586 |
Construction services | 17,748 |  | 16,432 |  | 24,753 |
Other | (2,028 | ) | (9,834 | ) | (11,136 | )
Intersegment eliminations | (6,251 | ) | (7,958 | ) | (3,805 | )
Total income taxes | $ | 93,132 |  | $ | 70,664 |  | $ | 64,422 |
Earnings (loss) on common stock: |  |  |  |  |  |
Regulated operations: |  |  |
Electric | $ | 42,222 |  | $ | 35,914 |  | $ | 36,731 |
Natural gas distribution | 27,102 |  | 23,607 |  | 30,484 |
Pipeline and midstream | 22,060 |  | 20,680 |  | 15,440 |
| 91,384 |  | 80,201 |  | 82,655 |
Nonregulated operations: |  |  |
Pipeline and midstream | 1,375 |  | (7,430 | ) | 9,226 |
Construction materials and contracting | 102,687 |  | 89,096 |  | 51,510 |
Construction services | 33,945 |  | 23,762 |  | 54,432 |
Other | (3,231 | ) | (14,941 | ) | (7,386 | )
| 134,776 |  | 90,487 |  | 107,782 |
Intersegment eliminations (a) | 6,251 |  | 5,016 |  | (6,095 | )
Earnings on common stock before income (loss) from discontinued operations | 232,411 |  | 175,704 |  | 184,342 |
Income (loss) from discontinued operations, net of tax (a) | (300,354 | ) | (834,080 | ) | 109,311 |
Loss from discontinued operations attributable to noncontrolling interest | (131,691 | ) | (35,256 | ) | (3,895 | )
Total earnings (loss) on common stock | $ | 63,748 |  | $ | (623,120 | ) | $ | 297,548 |
Capital expenditures: |  |  |  |  |  |
Electric | $ | 111,134 |  | $ | 332,876 |  | $ | 185,121 |
Natural gas distribution | 126,272 |  | 130,793 |  | 120,613 |
Pipeline and midstream | 34,467 |  | 18,315 |  | 61,754 |
Construction materials and contracting | 37,845 |  | 48,126 |  | 37,896 |
Construction services | 60,344 |  | 38,269 |  | 26,942 |
Other | 2,358 |  | 3,755 |  | 2,131 |
Total capital expenditures (b) | $ | 372,420 |  | $ | 572,134 |  | $ | 434,457 |
Assets: |  |  |  |  |  |
Electric (c) | $ | 1,406,694 |  | $ | 1,325,858 |  | $ | 1,028,001 |
Natural gas distribution (c) | 2,099,296 |  | 2,038,433 |  | 1,935,271 |
Pipeline and midstream | 550,615 |  | 591,651 |  | 651,925 |
Construction materials and contracting | 1,220,459 |  | 1,261,963 |  | 1,260,534 |
Construction services | 513,093 |  | 442,845 |  | 437,322 |
Other (d) | 283,255 |  | 287,940 |  | 315,495 |
Assets held for sale | 211,055 |  | 616,464 |  | 2,176,857 |
Total assets | $ | 6,284,467 |  | $ | 6,565,154 |  | $ | 7,805,405 |
| 2016 |  | 2015 |  | 2014 |
|  | (In thousands) |  |
Property, plant and equipment: |  |  |  |  |  |
Electric (c) | $ | 1,888,613 |  | $ | 1,786,148 |  | $ | 1,457,101 |
Natural gas distribution (c) | 2,179,413 |  | 2,076,581 |  | 1,904,759 |
Pipeline and midstream | 672,199 |  | 758,729 |  | 818,388 |
Construction materials and contracting | 1,549,375 |  | 1,553,428 |  | 1,529,942 |
Construction services | 171,361 |  | 163,279 |  | 144,395 |
Other | 49,268 |  | 49,537 |  | 50,937 |
Less accumulated depreciation, depletion and amortization | 2,578,902 |  | 2,489,322 |  | 2,385,202 |
Net property, plant and equipment | $ | 3,931,327 |  | $ | 3,898,380 |  | $ | 3,520,320 |
(a) | Includes eliminations for the presentation of income tax adjustments between continuing and discontinued operations.
(b) | Capital expenditures for 2016, 2015 and 2014 include noncash capital expenditure-related accounts payable and AFUDC, totaling $(15.8) million, $35.3 million and $5.1 million, respectively.
(c) | Includes allocations of common utility property.
(d) | Includes assets not directly assignable to a business (i.e. cash and cash equivalents, certain accounts receivable, certain investments and other miscellaneous current and deferred assets).

X
- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8813-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8721-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8736-108599 + Details
Name: | us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SegmentReportingAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration