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Cash flow information (Tables) | 9 Months Ended
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Sep. 30, 2013
Supplemental Cash Flow Information [Abstract] |
Supplemental cash flow information | Cash expenditures for interest and income taxes were as follows:
| Nine Months Ended
| September 30,
| 2013 |  | 2012 |
| (In thousands)
Interest, net of amount capitalized | $ | 60,281 |  | $ | 57,956 |
Income taxes paid | $ | 30,262 |  | $ | 3,210 |
Noncash investing transactions were as follows:
| September 30,
| 2013 |  | 2012 |
| (In thousands)
Property, plant and equipment additions in accounts payable | $ | 85,646 |  | $ | 68,636 |

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