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Financial Expenses, Net (Schedule Of Financial Expenses, Net) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Financial Expenses, Net [Abstract] |  |  |
Interest on long-term bank debt | $ (7,214) | $ (6,968) | $ (8,723)
Interest on Series A Notes | (5,753) | (4,395) |
Interest on short-term bank credit and loans | (3,802) | (1,699) | (1,445)
Gain (loss) on marketable securities | (2,464) |  | 1,292
Gain (loss) from exchange rate differences and capitalization | 7,565 | (9,094) | (699)
Other | (10,839) | (4,330) | (12,260)
Interest Expense, Total | (22,507) | (26,486) | (21,835)
Interest on cash, cash equivalents and bank deposits | 2,579 | 3,224 | 3,020
Other | 6,359 | 2,011 | 3,230
Interest Income, Total | 8,938 | 5,235 | 6,250
Financial expenses, net | $ (13,569) | $ (21,251) | $ (15,585)

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