v2.4.0.6

Other long-term liabilities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2012
Other long-term liabilities |
Schedule of other long-term liabilities |
|  | 2012 |  | 2011 |
--- | --- | --- | --- | --- | ---
Asset retirement obligations |  | $ | 57,816 |  | $ | 52,336 |
Net pension liability |  |  | 4,811 |  |  | 2,243 |
Deferred revenue |  |  | 4,919 |  |  | 1,623 |
Other |  |  | 3,828 |  |  | 1,657 |
|  | $ | 71,374 |  | $ | 57,859 |
Schedule of asset retirement obligations in acquisition of CPILP | The following table represents the fair value of ARO at the date of acquisition along with the additions, reductions and accretion related to our ARO for the year ended December 31, 2012:
|  | 2012 |
--- | --- | --- | ---
Asset retirement obligations beginning of year |  | $ | 52,336 |
Asset retirement obligation additions |  |  | 3,466 |
Accretion of asset retirement obligations |  |  | 1,590 |
Translation adjustments |  |  | 424 |
Asset retirement obligations, end of year |  | $ | 57,816 |

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- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13201-110859 + Details
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