Property, Plant And Equipment (Schedule Of Property, Plant And Equipment) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Property, Plant and Equipment [Line Items]
Buildings and improvements (including leasehold improvements)	$ 500,040	$ 501,401
Laboratory and manufacturing equipment	199,693	168,711
Office and computer equipment	211,936	116,479
Capitalized leased equipment	10,878	10,865
Construction in progress	60,746	82,334
Subtotal	983,293	879,790
Less accumulated depreciation and amortization (including $10,546 and $10,451relating to capitalized leased equipment for 2011 and 2010, respectively)	(358,263)	(316,367)
Subtotal	625,030	563,423
Land	149,376	137,812
Total	774,406	701,235
Capitalized Leased Equipment [Member]
Property, Plant and Equipment [Line Items]
Depreciation on capitalized leased equipments	$ 10,546	$ 10,451