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Cash flow information (Tables) | 6 Months Ended
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Jun. 30, 2015
Supplemental Cash Flow Information [Abstract] |
Supplemental cash flow information | Cash expenditures for interest and income taxes were as follows:
| Six Months Ended
| June 30,
| 2015 |  | 2014 |
| (In thousands)
Interest, net of amounts capitalized and AFUDC - borrowed of $5.0 million and $5.7 million in 2015 and 2014, respectively | $ | 45,102 |  | $ | 39,384 |
Income taxes paid, net | $ | 3,117 |  | $ | 56,267 |
Noncash investing transactions were as follows:
| June 30,
| 2015 |  | 2014 |
| (In thousands)
Property, plant and equipment additions in accounts payable | $ | 13,467 |  | $ | 47,499 |

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