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Other Receivables And Prepaid Expenses (Schedule Of Other Receivables And Prepaid Expenses) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010
Other Receivables And Prepaid Expenses [Abstract] |  |  |  |
Deferred income taxes, net | $ 35,263 |  | $ 29,263 |
Prepaid expenses | 37,504 |  | 36,564 |
Government institutions | 72,266 |  | 40,154 |
Derivative instruments | 20,520 |  | 28,571 |
Held for sale investment | 1,748 | [1] | 14,727 | [1]
Other | 12,723 |  | 16,845 |
Other receivables and prepaid expenses | $ 180,024 |  | $ 166,124 |
[1] | See Note 1(G).

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