Supplemental cash flow information (Tables)

9 Months Ended

Sep. 30, 2012

Supplemental Cash Flow Information [Abstract]

Supplemental Cash Flow Information

Supplemental cash flow information

	Nine months ended September 30,
	2012		2011
Cash paid for:
Interest	$	10,220	$	11,257
Income/withholding taxes (1)	33,625		41,694

(1) We paid withholding taxes in Iceland of $22,633 and $39,386 in the nine months ended September 30, 2012 and 2011, respectively. Our tax payments in Iceland for withholding taxes, estimated and prepayments of Icelandic income taxes and any associated refunds are denominated in ISK.