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v3.6.0.2

Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Operating revenues: |  |  |  |
Electric, natural gas distribution and regulated pipeline and midstream |  | $ 1,141,454 | $ 1,149,038 | $ 1,246,903
Nonregulated pipeline and midstream, construction materials and contracting, construction services and other |  | 2,987,374 | 2,865,014 | 2,868,170
Total operating revenues |  | 4,128,828 | 4,014,052 | 4,115,073
Operating expenses: |  |  |  |
Fuel and purchased power |  | 75,512 | 86,238 | 89,312
Purchased natural gas sold |  | 382,753 | 450,114 | 558,463
Operation and maintenance: |  |  |  |
Electric, natural gas distribution and regulated pipeline and midstream |  | 312,404 | 278,171 | 269,175
Nonregulated pipeline and midstream, construction materials and contracting, construction services and other |  | 2,580,895 | 2,527,052 | 2,523,039
Depreciation, depletion and amortization |  | 216,318 | 211,747 | 203,084
Taxes, other than income |  | 151,826 | 140,955 | 144,818
Total operating expenses |  | 3,719,708 | 3,694,277 | 3,787,891
Operating income |  | 409,120 | 319,775 | 327,182
Other income |  | 4,956 | 18,457 | 9,138
Interest expense |  | 87,848 | 91,179 | 86,871
Income before income taxes |  | 326,228 | 247,053 | 249,449
Income taxes |  | 93,132 | 70,664 | 64,422
Income from continuing operations |  | 233,096 | 176,389 | 185,027
Income (loss) from discontinued operations, net of tax (Note 2) | [1] | (300,354) | (834,080) | 109,311
Net income (loss) |  | (67,258) | (657,691) | 294,338
Loss from discontinued operations attributable to noncontrolling interest (Note 2) |  | (131,691) | (35,256) | (3,895)
Dividends declared on preferred stocks |  | 685 | 685 | 685
Earnings (loss) on common stock |  | $ 63,748 | $ (623,120) | $ 297,548
Earnings (loss) per common share - basic: |  |  |  |
Earnings before discontinued operations |  | $ 1.19 | $ 0.90 | $ 0.96
Discontinued operations attributable to the Company, net of tax |  | (0.86) | (4.10) | 0.59
Earnings (loss) per common share - basic |  | 0.33 | (3.20) | 1.55
Earnings (loss) per common share - diluted: |  |  |  |
Earnings before discontinued operations |  | 1.19 | 0.90 | 0.96
Discontinued operations attributable to the Company, net of tax |  | (0.86) | (4.10) | 0.59
Earnings (loss) per common share - diluted |  | $ 0.33 | $ (3.20) | $ 1.55
Weighted average common shares outstanding - basic |  | 195,299 | 194,928 | 192,507
Weighted average common shares outstanding - diluted |  | 195,618 | 194,986 | 192,587
[1] | Includes eliminations for the presentation of income tax adjustments between continuing and discontinued operations.

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