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	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Acquired Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 36,410	$ 14,020
Accumulated amortization	4,296	4,954
Customer Lists And Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	29,140	3,370
Accumulated amortization	1,092	1,054
Distribution And Manufacturing Rights And Know-How [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	4,059	4,059
Accumulated amortization	1,317	1,245
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	3,775	4,081
Accumulated amortization	2,656	2,664
Non-Compete Agreement [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	381	381
Accumulated amortization	352	343
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	1,605	1,583
Accumulated amortization	$ 335	$ 210
Minimum [Member] | Acquired Technology [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
Minimum [Member] | Distribution And Manufacturing Rights And Know-How [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	11 years	11 years
Minimum [Member] | Other [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	3 years	3 years
Maximum [Member] | Acquired Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	22 years	16 years
Maximum [Member] | Customer Lists And Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	22 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] | Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	17 years	17 years
Maximum [Member] | Non-Compete Agreement [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	10 years	10 years
Maximum [Member] | Other [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	5 years	5 years