Consolidated Statement of Changes in Equity (Unaudited) (USD $) In Thousands	Total	Accumulated deficit	Accumulated other comprehensive income (loss)	Common Stock	Additional paid-in capital
Beginning balance at Dec. 31, 2010	$ 246,431	$ (575,307)	$ 12,816	$ 2,063	$ 806,859
Beginning balance, shares at Dec. 31, 2010				20,630
Net income	135,136	135,136
Stock options exercised, net	605			8	597
Stock options exercised, net, shares				74
Issuance of restricted stock, net	105			2	103
Issuance of restricted stock, net, shares				24
Stock-based compensation expense	2,845				2,845
Other comprehensive loss	(18,267)		(18,267)
Ending balance at Sep. 30, 2011	$ 366,855	$ (440,171)	$ (5,451)	$ 2,073	$ 810,404
Ending balance, shares at Sep. 30, 2011				20,728