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FINANCIAL INSTRUMENTS (Fair Value of Derivative Contracts)(Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Derivative Assets Reported in Other Current Assets [Member]
   
Derivative [Line Items]    
Derivatives designated as hedging instruments in cash flow hedge $ 449   
Derivative Liabilities Reported in Other Current Liabilities [Member]
   
Derivative [Line Items]    
Derivatives designated as hedging instruments in cash flow hedge    $ 402