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Segment Information (Schedule Of Long-Lived Assets By Geographic Area) (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | --- | ---
Segment Reporting Information [Line Items] |  |  |
Long-lived assets | $ 458,342 | $ 416,203 | $ 459,492
Operating Segments [Member] | Americas [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Long-lived assets | 94,319 | 96,016 | 113,364
Operating Segments [Member] | EMEA [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Long-lived assets | 306,988 | 262,543 | 285,980
Operating Segments [Member] | Asia Pacific [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Long-lived assets | $ 57,035 | $ 57,644 | $ 60,148

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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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