Business And Summary Of Significant Accounting Policies (Useful Lives Of Depreciable Assets) (Details)	12 Months Ended
	Dec. 31, 2012
Buildings
Property, Plant and Equipment [Line Items]
Useful life of property, plant and equipment, minimum, in years	30 years
Leased assets and leasehold improvements
Property, Plant and Equipment [Line Items]
Amortization period	Amortized over the lesser of the economic life of the asset or the term of the lease
Machinery and equipment | Minimum
Property, Plant and Equipment [Line Items]
Useful life of property, plant and equipment, minimum, in years	3 years
Machinery and equipment | Maximum
Property, Plant and Equipment [Line Items]
Useful life of property, plant and equipment, minimum, in years	10 years
Customer-leased instruments | Minimum
Property, Plant and Equipment [Line Items]
Useful life of property, plant and equipment, minimum, in years	5 years
Customer-leased instruments | Maximum
Property, Plant and Equipment [Line Items]
Useful life of property, plant and equipment, minimum, in years	7 years