Interest And Other Expense, Net (Schedule Of Interest And Other Expense, Net) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Component of Other Expense, Nonoperating [Line Items]
Interest expense on Revenue Sharing Obligation	$ 35,158	$ 0	$ 68,783	$ 0
Interest expense on convertible debt	12,112	11,707	24,056	24,493
Interest and other expense on notes payable	2,848	999	5,699	1,022
Total interest expense and debt discount amortization	50,118	12,706	98,538	25,515
Capitalized interest expense	(6,969)	(5,770)	(14,138)	(10,214)
Interest expense net of amount capitalized	43,149	6,936	84,400	15,301
Interest and other expense	1,940	9	5,843	192
interest and other expense, net	45,089	6,945	90,243	15,493
Interest and other income	(744)	(379)	(1,191)	(682)
Total interest and other expense, net	$ (44,345)	$ (6,566)	$ (89,052)	$ (14,811)