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Supplemental Cash Flow Information (Tables) | 3 Months Ended
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Mar. 31, 2014
Supplemental Cash Flow Information |
|  | Three Months Ended March 31, |
|  | 2014 |  |  | 2013 |
|  | (in thousands) |
Net cash provided from operating activities included: |  |  |  |  |  |  |  |
Income taxes (refunded) paid to taxing authorities |  | $ | 39 |  |  | $ | (162 | )
Interest paid |  |  | 55,190 |  |  |  | 37,541 |
Non-cash investing and financing activities included: |  |  |  |  |  |  |  |
Asset retirement costs capitalized, net |  |  | 3,218 |  |  |  | 1,690 |
Increase in accrued capital expenditures |  |  | 6,808 |  |  |  | 128,136 |

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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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