Goodwill And Other Intangible Assets (Schedule Of Intangible Assets, Net Of Amortization) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	$ 33,437	$ 43,552
Less accumulated amortization	(8,525)	(8,022)
Intangible assets, net	24,912us-gaap_FiniteLivedIntangibleAssetsNet	35,530us-gaap_FiniteLivedIntangibleAssetsNet
Weighted average useful life	14 years 9 months 18 days	14 years 6 months
Customer Lists And Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	23,096	30,809
Less accumulated amortization	(6,533)	(6,217)
Intangible assets, net	16,563	24,592
Weighted average useful life	14 years 4 months 24 days	14 years 1 month 6 days
Product Technologies [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	7,530	8,992
Less accumulated amortization	(1,325)	(1,048)
Intangible assets, net	6,205	7,944
Weighted average useful life	15 years 4 months 24 days	15 years 3 months 18 days
Trade Name [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	1,864	2,246
Less accumulated amortization	(233)	(168)
Intangible assets, net	1,631	2,078
Weighted average useful life	20 years	20 years
Core Technologies [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	947	1,505
Less accumulated amortization	(434)	(589)
Intangible assets, net	$ 513	$ 916
Weighted average useful life	10 years	9 years 3 months 18 days

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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