Goodwill And Other Intangible Assets (Schedule Of Gross Carrying Values, Accumulated Amortization, And Approximate Amortization Periods Of Definite Lived Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Acquired Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 14,020	$ 14,020
Accumulated Amortization	2,107	1,538
Patents [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	4,660	4,644
Accumulated Amortization	2,632	2,530
Amortization Period	17 years	17 years
Distribution And Manufacturing Rights And Know-How [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	3,559	3,559
Accumulated Amortization	594	473
Amortization Period	15 years	15 years
Customer Lists And Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	3,370	3,370
Accumulated Amortization	451	330
Non-Compete Agreement [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	381	381
Accumulated Amortization	248	229
Amortization Period	10 years	10 years
Other [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	192	198
Accumulated Amortization	$ 147	$ 123
Minimum [Member] | Acquired Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization Period	11 years	11 years
Minimum [Member] | Customer Lists And Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization Period	13 years	13 years
Minimum [Member] | Other [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization Period	1 year	1 year
Maximum [Member] | Acquired Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization Period	16 years	16 years
Maximum [Member] | Customer Lists And Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization Period	17 years	17 years
Maximum [Member] | Other [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization Period	3 years	3 years