CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income (loss)	$ 40,994	$ (12,677)	$ 89,160	$ 23,015
Other comprehensive income (loss), net of tax:
Currency translation gain (loss)	9,299	(27,924)	(25,149)	(13,494)
Unrealized (loss) gain on securities	0	(1,102)	2,776	888
Amount reclassified for realized gain on securities	0	0	(10,194)	0
Defined benefit pension plan amortization of actuarial loss and prior service credits	468	0	468	0
Total other comprehensive income (loss), net of tax	9,767	(29,026)	(32,099)	(12,606)
Comprehensive income (loss)	$ 50,761	$ (41,703)	$ 57,061	$ 10,409