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Cash flow information (Tables) | 9 Months Ended
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Sep. 30, 2011
Cash flow information [Abstract] |
Cash expenditures for interest and income taxes |
| Cash expenditures for interest and income taxes were as follows:
|  | Nine Months Ended September 30, |
|  | 2011 |  |  | 2010 |
|  | (In thousands) |
Interest, net of amount capitalized |  | $ | 63,669 |  |  | $ | 65,712 |
Income taxes paid (refunded), net |  | $ | (11,331 | ) |  | $ | 36,962 |

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