XML 34 R34.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Supplemental cash flow information (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2013
Supplemental Cash Flow Information [Abstract] |
Supplemental Cash Flow Information | Supplemental cash flow information
| Six months ended June 30,
| 2013 | 2012
Cash paid for: |  |
Interest | $ | 11,287 |  | $ | 10,108 |
Income/withholding taxes (1) | 14,156 |  | 16,809 |
(1) | We paid withholding taxes in Iceland of $8,259 and $9,484 in the six months ended June 30, 2013 and 2012, respectively. Our tax payments in Iceland for withholding taxes, income taxes, and associated refunds, are denominated in ISK.

X
- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SupplementalCashFlowInformationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration