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Goodwill And Other Intangible Assets (Schedule Of Goodwill And Other Intangibles) (Details) (USD $) In Thousands, unless otherwise specified |  |  |  |  |  |  |  |  | 12 Months Ended |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2013 Customer relationships | Dec. 31, 2012 Customer relationships | Dec. 31, 2013 Proprietary technology | Dec. 31, 2012 Proprietary technology | Dec. 31, 2013 Noncompete agreements | Dec. 31, 2012 Noncompete agreements | Dec. 31, 2013 Trade names | Dec. 31, 2012 Trade names | Dec. 31, 2013 Minimum Customer relationships | Dec. 31, 2013 Maximum Customer relationships | Dec. 31, 2013 Maximum Proprietary technology
Goodwill And Other Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill | $ 172,788 | $ 176,620 | $ 165,372 | $ 103,639 |  |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other identifiable intangibles |  |  |  |  | 25,962 | 31,163 | 14,356 | 17,145 | 600 | 2,359 |  |  |  |  |
Tradenames |  |  |  |  |  |  |  |  |  |  | 12,594 | 13,332 |  |  |
Total carrying value of other intangibles | 53,512 | 63,999 |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable Intangible Asset, Useful Life (Yrs) |  |  |  |  |  |  |  |  | 2 years |  |  |  | 10 years | 12 years | 15 years
Other identifiable intangibles, cost basis |  |  |  |  | 31,357 | 34,135 | 18,851 | 19,624 | 4,154 | 4,154 |  |  |  |  |
Total carrying value of goodwill and other intangibles | $ 226,300 | $ 240,619 |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Aggregate sum of gross carrying value of finite-lived intangible assets and goodwill, less any accumulated amortization and any impairment charges. + References No definition available. + 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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- Definition Amount after 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 Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition The net carrying amount as of the balance sheet date of other indefinite-lived and finite-lived intangible assets that are not separately presented on the statement of financial position. + References No definition available. + Details
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