CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ (866)	$ (219,727)	$ 604	$ (219,010)
Other comprehensive income (loss):
Unrealized gain (loss) on derivatives, net of tax	(88)	296	(205)	122
Unrealized gain (loss) on available for sale securities, net of tax	763	(440)	723	(443)
Foreign currency translation adjustment	1,817	2,534	(1,673)	2,378
Total other comprehensive income (loss)	2,492	2,390	(1,155)	2,057
Total comprehensive income (loss)	$ 1,626	$ (217,337)	$ (551)	$ (216,953)