Financial Instruments and Risk Management (Effect of Derivative Instruments on the Condensed Consolidated Statement of Operations Derivatives Not Designated as Hedging Instruments) (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Amount of Gain or (Loss) Recognized in Earnings on Derivatives	$ 2,682	$ (8,210)	$ 14,144	$ (23,151)
Foreign Currency Forward Contracts [Member] | Other Income (Expenses) , Net [Member]
Amount of Gain or (Loss) Recognized in Earnings on Derivatives	2,682	(8,210)	14,144	(23,151)
Cash Conversion Feature of Cash Convertible Notes [Member] | Other Income (Expenses) , Net [Member]
Amount of Gain or (Loss) Recognized in Earnings on Derivatives	(59,700)	183,800	(109,000)	62,700
Purchased Cash Convertible Note Hedge [Member] | Other Income (Expenses) , Net [Member]
Amount of Gain or (Loss) Recognized in Earnings on Derivatives	$ 59,700	$ (183,800)	$ 109,000	$ (62,700)