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Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2012
Significant Accounting Policies [Abstract] |
Changes In Accumulated Other Comprehensive Income By Components |
|  | Year ended December 31, |
|  | 2012 |  |  | 2011 |
Foreign currency translation differences |  | $ | (5,189 | ) |  | $ | (7,161 | )
Unrealized gains (losses) on derivative instruments |  |  | 14,771 |  |  |  | (10,114 | )
Pension and post–retirement benefit plans |  |  | (42,354 | ) |  |  | (37,398 | )
Unrealized gains (losses) on available-for-sale marketable securities |  | $ | (772 | ) |  | $ | (1,553 | )
Accumulated other comprehensive income (loss), net of taxes |  | $ | (33,544 | ) |  | $ | (56,226 | )
Schedule Of Estimated Useful Life Of Assets | Depreciation is calculated by the straight-line method over the estimated useful life of the assets at the following annual rates:
| % |
Buildings and leasehold improvements (*) | 2-20 |
Instruments, machinery and equipment | 3-33 |
Office furniture and other | 4-33 |
Motor vehicles | 12-33 | (Mainly 15%)
(*) Prepayments for operating leases and leasehold improvements are amortized generally over the term of the lease or the useful life of the assets, whichever is shorter.
Schedule Of Warranty Liability |
|  | 2012 |  |  | 2011 |
Balance, at January 1 | $ | 176,831 |  | $ | 164,778 |
Warranties issued during the year |  | 81,952 |  |  | 75,434 |
Reduction due to warranties forfeited or claimed during the year |  | (69,070 | ) |  | (63,381 | )
Balance, at December 31 | $ | 189,713 |  | $ | 176,831 |
Schedule Of Employee Stock Options On Estimated Weighted Average Assumptions |
| 2012 |  | 2011 |  | 2010 |
Dividend yield | 2.45 | % | 2.23 | % | 2.20 | %
Expected volatility | 36.07 | % | 31.59 | % | 31.92 | %
Risk-free interest rate | 0.83 | % | 2.01 | % | 1.56 | %
Expected life | 4 years |  | 4 years |  | 4 years |
Forfeiture rate | 0.56 | % | 0.56 | % | 0.56 | %
Suboptimal factor | 1.75 |  | 1.75 |  | 1.75 |
Schedule Of Assets And Liabilities Measured At Fair Value On Recurring Basis | Assets and liabilities measured at fair value on a recurring basis are summarized below:
|  | Fair value measurement at |  |  |  |
|  | December 31, 2012 using |  |  |  |
|  | Quoted Prices |  | Significant |  |  |  |
|  | in Active |  | Other |  |  | Significant |
|  | Markets for | Observable |  |  | Unobservable |
|  | Identical Assets |  | Inputs |  |  | Inputs |
|  | (Level 1) |  | (Level 2) |  |  | (Level 3) |
Description of Assets |  |  |  |  |  |  |  |
Available-for-sale marketable debt securities: |  |  |  |  |  |  |  |
Government bonds | $ | 12,620 | $ | - |  | $ | - |
Corporate bonds |  | - |  | 37,491 |  |  | - |
Foreign currency derivatives and option contracts |  | - |  | 24,738 |  |  | - |
Cross currency interest rate swap |  | - |  | 22,415 |  |  | - |
Liabilities |  |  |  |  |  |  |  |
Foreign currency derivative and option contracts |  | - |  | (4,992 | ) |  | - |
Total | $ | 12,620 | $ | 79,652 |  | $ | - |
|  | Fair value measurement at |  |  |
|  | December 31, 2011 using |  |  |
|  | Quoted Prices |  | Significant |  |  |
|  | in Active |  | Other |  | Significant |
|  | Markets for | Observable |  | Unobservable
|  | Identical Assets |  | Inputs |  | Inputs |
|  | (Level 1) |  | (Level 2) |  | (Level 3) |
Description of Assets |  |  |  |  |  |  |
Available-for-sale marketable debt securities: |  |  |  |  |  |  |
Government bonds | $ | - | $ | - |  | $ | -
Foreign currency derivatives and option contracts |  | - |  | 14,755 |  |  | -
Cross Currency interest rate swap |  | - |  | 8,877 |  |  | -
Liabilities |  |  |  |  |  |  |
Foreign currency derivative and option contracts |  | - |  | (25,954 | ) |  | -
Total | $ | - | $ | (2,322 | ) | $ | -

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