Statement Changes Stockholder Equity Parentheticals (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Unrealized foreign currency translation adjustment, tax	$ 0	$ 2,684
Foreign currency translation reclassification adjustment for net gains included in net loss, tax	11,617	240
Net foreign currency translation adjustment, tax	11,617	2,444
Unrealized holding gains arising during period, tax	0	11,165
Reclassification adjustment for net gains included in net loss, tax	17,307	673
Net unrealized gain on investments, tax	$ 17,307	$ 10,492