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Commitments And Contingent Liabilities (Narrative) (Details) (USD $) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Nov. 30, 2012 | May 31, 2009 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Loss Contingencies [Line Items] |  |  |  |  |  |
Royalties expenses |  |  | $ 2,976,000 | $ 2,524,000 | $ 3,012,000 |
Outstanding buy-back obligations |  |  | 748,000,000 |  |  |
Filed claims | 40,000,000 |  |  |  |  | 10,000,000
Recovery seeking from complaint | 74,000,000 | 16,000,000 |  |  |  |
Lease expenses |  |  | 16,466,000 | 17,837,000 | 15,233,000 |
Lease agreement period, in years |  |  | 15 years |  |  |
Expected lease fee per annum |  |  | 3,000 |  |  |
Guarantees issued by banks to secure certain advances from customers and performance bonds |  |  | 1,069,700,000 |  |  |
Amount guaranteed in respect of credit lines granted by banks |  |  | 7,514,000 | 7,656,000 |  |
Purchase commitments |  |  | 949,000,000 | 1,026,000,000 |  |
Secure bank and bank guarantees amount |  |  | 1,069,700,000 |  |  |
Total amount of project |  |  | 11,500,000 |  |  |
Customer advances and performance guarantees |  |  | 2,700,000 |  |  |
Accrual contingency liabilities |  |  | $ 2,100,000 |  |  |
Elop [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Holding percentage of share capital issued |  |  | 14.00% |  |  |
Ownership percentage fully diluted basis |  |  | 7.00% |  |  |
Maximum [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Percentage of total sales of products developed within framework of research and development activity program |  |  | 5.00% |  |  |
Maximum amount of royalties paid, percentage |  |  | 150.00% |  |  |
Minimum [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Percentage of total sales of products developed within framework of research and development activity program |  |  | 2.00% |  |  |
Maximum amount of royalties paid, percentage |  |  | 100.00% |  |  |

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