COMPREHENSIVE INCOME (Details 2) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Components of accumulated other comprehensive income
Balance at the beginning of the period			$ 98,836
Foreign currency translation adjustment	84,360	(5,965)	183,440	(1,924)
Net unrealized holding gain on available-for-sale equity securities	2,441		21,167
Reclassification to net income	(21,316)		(21,316)
Unrealized holding loss on available-for-sale debt securities	70	(294)	96	(387)
Pension adjustment	(102)		898
Balance at the end of the period	282,929		282,929
Foreign Currency Translation Adjustment
Components of accumulated other comprehensive income
Balance at the beginning of the period			98,926
Foreign currency translation adjustment			183,440
Balance at the end of the period	282,366		282,366
Unrealized Holding Gain on Available-For-Sale Equity Securities
Components of accumulated other comprehensive income
Net unrealized holding gain on available-for-sale equity securities			21,167
Reclassification to net income			(21,316)
Balance at the end of the period	(149)		(149)
Net Unrealized Holding Gain (Loss) on Available-For-Sale Debt Securities
Components of accumulated other comprehensive income
Balance at the beginning of the period			(90)
Unrealized holding loss on available-for-sale debt securities			96
Balance at the end of the period	(186)		(186)
Pension Adjustment
Components of accumulated other comprehensive income
Pension adjustment			898
Balance at the end of the period	$ 898		$ 898