CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Translation adjustment changes, tax	$ (2,936)	$ 3,363	$ (2,729)	$ 1,713
Net gains (losses) arising during the period, tax	1,064	(4,834)	3,333	2,037
Unrealized holding gains (losses) on securities, tax	1,095	(3,215)	3,063	(2,450)
Unrealized gain on Euro-denominated debt, tax	$ 0	$ 10,777	$ 0	$ (4,139)