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Supplemental Cash Flow Information (Tables) | 12 Months Ended
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Dec. 31, 2018
Supplemental Cash Flow Elements [Abstract] |
Additional Information Relating to Cash Flow Activities | The following provides additional information relating to cash flow activities:
|  | 2018 |  |  | 2017 |  |  | 2016 |
|  | (In Thousands) |
Cash payments (refunds) for: |  |  |  |  |  |  |  |  |  |  |  |
Interest on long-term debt and other, net of capitalized interest |  | $ | 35,719 |  |  | $ | 34,274 |  |  | $ | 28,049 |
Income taxes, net |  | $ | (1,138 | ) |  | $ | (674 | ) |  | $ | (2,611 | )
Noncash investing and financing activities: |  |  |  |  |  |  |  |  |  |  |  |
Incentive tax credit receivable associated with property, plant and equipment |  | $ | — |  |  | $ | 8,125 |  |  | $ | — |
Supplies and accounts payable associated with additions of property, plant and equipment |  | $ | 16,484 |  |  | $ | 17,105 |  |  | $ | 16,056 |
Dividend accrued on redeemable preferred stock |  | $ | 26,840 |  |  | $ | 23,443 |  |  | $ | 19,733 |
Accretion of redeemable preferred stock |  | $ | 3,375 |  |  | $ | 6,487 |  |  | $ | 6,546 |

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- References No definition available. + Details
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