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Series A Notes, Net Of Current Maturities (Narrative) (Details) In Thousands, unless otherwise specified | 1 Months Ended | 12 Months Ended |  |  |  |  |  | 2 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
May 31, 2012 USD ($) | May 31, 2012 ILS | Mar. 31, 2012 USD ($) | Mar. 31, 2012 ILS | Jun. 30, 2010 USD ($) installment | Dec. 31, 2013 USD ($) | Dec. 31, 2012 USD ($) | Dec. 31, 2011 USD ($) | Dec. 31, 2013 ILS | Dec. 31, 2012 ILS | Jun. 30, 2010 ILS | May 31, 2012 4.84% First Amount ILS | May 31, 2012 4.84% Second Amount ILS | May 31, 2012 Average spread 2.02% USD ($) | May 31, 2012 Average spread 2.285% USD ($) | Dec. 31, 2013 LIBOR 0.45% | May 31, 2012 Cross Currency Interest Rate Swaps London Interbank Offered Rate (LIBOR) | Dec. 31, 2013 Cross Currency Interest Rate Swaps London Interbank Offered Rate (LIBOR) | May 31, 2012 Cross Currency Interest Rate Swaps London Interbank Offered Rate (LIBOR) Average spread 2.02% | May 31, 2012 Cross Currency Interest Rate Swaps London Interbank Offered Rate (LIBOR) Average spread 2.285%
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of Series A Notes | $ 24,900 | 95,000 | $ 224,000 | 831,000 | $ 283,000 | $ 0 | $ 246,973 | $ 0 |  |  |  |  |  |  |  |  |  |  |  |
Number of equal annual installments associated with note, in installments |  |  |  |  | 10 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate of Series A Notes | 4.84% | 4.84% |  |  | 4.84% | 4.84% | 4.84% |  |  |  |  |  |  |  |  |  |  |  |  |
Series A Notes issuance costs | 94 |  | 2,010 |  | 2,530 | 0 | 2,035 | 0 |  |  |  |  |  |  |  |  |  |  |  |
Series A Notes issuance costs, discount |  |  | 1,795 |  | 2,164 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of deferred issuance costs |  |  | 215 |  | 366 | 92 | 153 | 422 |  |  |  |  |  |  |  |  |  |  |  |
Amount of Series A Note | 24,407 | 92,000 | 217,420 | 807,000 |  | 423,509 | 450,040 |  |  |  | 1,100,000 |  |  |  |  |  |  |  |  |
Premium amount | 260 |  | 3,675 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest expense on Series A Notes |  |  |  |  |  | 9,715 | 10,787 | 5,753 |  |  |  |  |  |  |  |  |  |  |  |
Cross currency interest rate swap transaction term, in years |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cross currency interest rate swap, amount |  |  |  |  |  | $ 287,000 |  |  | 1,100,000 | 1,100,000 |  | 807,000 | 92,000 | $ 217,300 | $ 24,100 |  |  |  |  |
Average spread on LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.84% |  | 1.65% | 2.02% | 2.285%
LIBOR measurement term, in months |  |  |  |  |  | 6 months |  |  |  |  |  |  |  |  |  |  |  |  |  |
Variable rate basis of fair value hedge transactions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | LIBOR | LIBOR |  |
Effective interest rate |  |  |  |  |  | 0.45% |  |  |  |  |  |  |  |  |  |  |  | 0.45% |  |
Fixed interest rate |  |  |  |  |  |  |  |  |  |  |  | 4.84% |  |  |  |  |  |  |  |

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