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Segments, Customers And Geographic Information (Schedule Of Revenues From Sales To Unaffiliated Customers) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011 segment | Dec. 31, 2010
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Number of reportable segments |  | 1 |
Revenues | $ 446,651 | $ 445,269 | $ 249,852
Long-loved assets | 33,642 | 30,465 | 16,211
North America [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Revenues | 40,496 | 46,442 | 41,450
Europe [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Revenues | 97,133 | 101,324 | 56,923
Africa [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Revenues | 58,212 | 57,701 | 9,968
Asia-Pacific and Middle East [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Revenues | 70,704 | 90,461 | 28,119
INDIA |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Revenues | 54,358 | 44,608 | 95,674
Latin America [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Revenues | 125,748 | 104,733 | 17,718
ISRAEL |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Long-loved assets | 27,837 | 22,502 | 15,325
Others [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Long-loved assets | $ 5,805 | $ 7,963 | $ 886

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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 Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 38 -Subparagraph b(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
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- Definition Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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