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Supplemental Cash Flow Information (Tables) | 12 Months Ended
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Dec. 31, 2013
Supplemental Cash Flow Information |
| Year Ended December 31, |
| 2013 |  |  | 2012 |  |  | 2011 |
| (in thousands) |
Net cash provided from operating activities included: |  |  |  |  |  |  |  |  |  |  |
Income taxes (refunded from) paid to taxing authorities | $ | (347 | ) |  | $ | 386 |  |  | $ | 675 |
Interest paid |  | 159,137 |  |  |  | 153,249 |  |  |  | 133,103 |
Non-cash investing and financing activities included: |  |  |  |  |  |  |  |  |  |  |
Asset retirement costs capitalized, net | $ | 76,373 |  |  | $ | 57,982 |  |  | $ | 24,061 |
Increase (decrease) in accrued capital expenditures |  | 27,079 |  |  |  | (94,121 | ) |  |  | 86,561 |

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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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