Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net income (loss)	$ 42,436	$ (55,385)	$ 30,770	$ (94,911)
Other Comprehensive Income (Loss), Net of Tax
Change in fair value of derivatives	58	64	115	73
Foreign currency translation adjustments	0	0	0	(51)
Other comprehensive income (loss)	58	64	115	22
Comprehensive income (loss)	$ 42,494	$ (55,321)	$ 30,885	$ (94,889)