Goodwill And Other Intangible Assets (Schedule Of Other Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 45,356	$ 45,516
Accumulated Amortization	(25,723)	(22,065)
Net Carrying Amount	19,633us-gaap_FiniteLivedIntangibleAssetsNet	23,451us-gaap_FiniteLivedIntangibleAssetsNet
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	33,188	33,348
Accumulated Amortization	(16,099)	(12,900)
Net Carrying Amount	17,089	20,448
Technology Licenses [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	11,300	11,300
Accumulated Amortization	(9,434)	(8,999)
Net Carrying Amount	1,866	2,301
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	868	868
Accumulated Amortization	(190)	(166)
Net Carrying Amount	$ 678	$ 702

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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