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Commitments And Contingent Liabilities (Aggregate Minimum Lease Commitments) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011
Commitments And Contingent Liabilities [Abstract]
2012	$ 2,675
2013	1,744
2014	1,117
2015	63
Operating leases, total	$ 5,599

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The total of future contractually required payments on leases defined as operating.

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For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within one year of the balance sheet date relating to leases defined as operating.

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For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the fourth year of the balance sheet date relating to leases defined as operating.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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