Consolidated Statements Of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Consolidated Statements Of Comprehensive Income (Loss) [Abstract]
Net loss	$ (165,277)	$ (322,046)	$ (35,581)
Other comprehensive income (loss):
Reclassification adjustment for settled hedge contracts (net of taxes of $0, $0 and $859, respectively)			(859)
Change in fair value of outstanding hedge positions (net of taxes of $0, $0 and ($3,736), respectively)			3,736
Foreign currency translation adjustment, net of tax	(5,365)	(5,540)	14,390
Other comprehensive income (loss)	(5,365)	(5,540)	17,267
Comprehensive loss	(170,642)	(327,586)	(18,314)
Less income attributable to the redeemable noncontrolling interest	(26,622)	(15,503)	(13,380)
Less convertible preferred stock dividends	(18,583)	(11,248)	(2,856)
Comprehensive loss attributable to common shareholders	$ (215,847)	$ (354,337)	$ (34,550)