Goodwill And Other Intangible Assets (Schedule Of Gross Carrying Values, Accumulated Amortization, And Approximate Amortization Period Of Definite Lived Intangible Assets) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2017	Dec. 31, 2016
Acquired Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 38,478	$ 38,478
Accumulated amortization	7,062	5,956
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	3,576	3,710
Accumulated amortization	2,714	2,702
Distribution And Manufacturing Rights And Know-How [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	4,059	4,059
Accumulated amortization	1,676	1,532
Customer Lists And Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	29,140	29,140
Accumulated amortization	2,840	2,141
Non-Compete Agreement [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value		381
Accumulated amortization		381
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	1,370	1,262
Accumulated amortization	$ 796	$ 531
Minimum [Member] | Acquired Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	11 years	11 years
Minimum [Member] | Distribution And Manufacturing Rights And Know-How [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	11 years	11 years
Minimum [Member] | Customer Lists And Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	13 years	13 years
Maximum [Member] | Acquired Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	22 years	22 years
Maximum [Member] | Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	17 years	17 years
Maximum [Member] | Distribution And Manufacturing Rights And Know-How [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	15 years	15 years
Maximum [Member] | Customer Lists And Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	22 years	22 years
Maximum [Member] | Non-Compete Agreement [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period		10 years
Maximum [Member] | Other [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	3 years	3 years