Summary Of Significant Accounting Policies (Schedule Of Range Of Useful Life Of Equipment) (Details)	12 Months Ended
	Dec. 31, 2011
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life, minimum years	10
Property, plant and equipment, useful life, maximum years	40
Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life, minimum years	2
Property, plant and equipment, useful life, maximum years	20
Computer Hardware And Software [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life, minimum years	3
Property, plant and equipment, useful life, maximum years	7
Manufacturing Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life, minimum years	2
Property, plant and equipment, useful life, maximum years	15
Furniture And Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life, minimum years	5
Property, plant and equipment, useful life, maximum years	10
Transportation Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life, minimum years	5
Property, plant and equipment, useful life, maximum years	20