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v2.4.1.9

Reclamation (Tables) | 12 Months Ended
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Dec. 31, 2014
Asset Retirement Obligation Disclosure [Abstract] |
Asset Retirement Obligation | Changes to the Company’s asset retirement obligations (included in Reclamation) are as follows:
In thousands | Year ended December 31,
| 2014 |  | 2013
Asset retirement obligation - Beginning | $ | 55,966 |  |  | $ | 33,008 |
Accretion | 4,826 |  |  | 3,316 |
Additions and changes in estimates | 6,748 |  |  | 19,670 |
Settlements | (326 | ) |  | (28 | )
Asset retirement obligation - Ending | $ | 67,214 |  |  | $ | 55,966 |

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