Financial Instruments And Risk Management (Effect Of Derivative Instruments On The Condensed Consolidated Statements Of Operations, Derivatives Not Designated As Hedging Instruments) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in Earnings on Derivatives	$ 7,445	$ (13,912)	$ (3,786)	$ (8,657)
Foreign currency forward contracts | Other (expense) income, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in Earnings on Derivatives	7,445	(13,912)	(3,786)	(8,657)
Cash conversion feature of Cash Convertible Notes | Other (expense) income, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in Earnings on Derivatives	(88,100)	85,500	(143,400)	33,900
Purchased cash convertible note hedge | Other (expense) income, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in Earnings on Derivatives	$ 88,100	$ (85,500)	$ 143,400	$ (33,900)