Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Financial Assets And Liabilities Measured At Fair Value On Recurring Basis) (Details)

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Fair Value Measurements (Financial Assets And Liabilities Measured At Fair Value On Recurring Basis) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative instruments (included in other current liabilities) $ 700 $ 1,000
Level 1 [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative instruments (included in other current liabilities) 0 [1] 0 [1]
Marketable securities (included in other receivables) 83  
Level 2 [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative instruments (included in other current liabilities) 712 [1] 1,025 [1]
Marketable securities (included in other receivables) 0  
Level 3 [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative instruments (included in other current liabilities) 0 [1] 0 [1]
Marketable securities (included in other receivables) $ 0  
[1] The fair value of the Company’s derivative instruments was estimated using market data gathered by a third party financial institution, adjusted for market and credit risks applicable to the Company.