Property, Plant And Equipment (Schedule Of Purchase Price Allocation) (Details) (USD $) In Thousands	1 Months Ended	9 Months Ended
	Aug. 31, 2011	Sep. 30, 2011	Sep. 30, 2010
Property, Plant And Equipment [Line Items]
Total purchase price	$ 50,438
Less consumables	(766)
Purchase of property, plant and equipment	49,672	64,539	38,720
Manufacturing And Laboratory Equipment [Member]
Property, Plant And Equipment [Line Items]
Total purchase price	23,248
Computer Hardware And Software [Member]
Property, Plant And Equipment [Line Items]
Total purchase price	328
Building And Improvements [Member]
Property, Plant And Equipment [Line Items]
Total purchase price	24,057
Land [Member]
Property, Plant And Equipment [Line Items]
Total purchase price	1,127
Furniture And Fixtures [Member]
Property, Plant And Equipment [Line Items]
Total purchase price	912
Consumable Supplies Capitalized In Other Assets [Member]
Property, Plant And Equipment [Line Items]
Total purchase price	$ 766