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Goodwill And Other Intangible Assets (Schedule Of Other Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2013 | Dec. 31, 2012
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Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 29,991 | $ 29,961
Accumulated Amortization | (20,965) | (18,724)
Net Carrying Amount | 9,026 | 11,237
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 17,823 | 17,793
Accumulated Amortization | (12,052) | (10,702)
Net Carrying Amount | 5,771 | 7,091
Technology Licenses [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 11,300 | 11,300
Accumulated Amortization | (8,753) | (7,880)
Net Carrying Amount | 2,547 | 3,420
Other Intangible Assets [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 868 | 868
Accumulated Amortization | (160) | (142)
Net Carrying Amount | $ 708 | $ 726

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References 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 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References 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 + Details
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