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, 2019	Dec. 31, 2018
Acquired Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 134,408	$ 134,999
Accumulated amortization	20,841	16,815
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	3,626	3,656
Accumulated amortization	3,030	2,970
Distribution And Manufacturing Rights And Know-How [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	4,059	4,059
Accumulated amortization	2,251	2,107
Customer Lists And Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	31,157	31,169
Accumulated amortization	5,825	5,068
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	1,496	1,154
Accumulated amortization	$ 437	$ 235
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
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	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] | Other [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	5 years	5 years