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Pension and Other Benefits (Schedule Of Benefit Obligations Fair Value Of Plan Assets) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Amounts Recognized in Balance Sheet $ 11,026 $ 7,034
Cash [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Amounts Recognized in Balance Sheet 865 42
US Companies [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Amounts Recognized in Balance Sheet 4,310 3,154
International Companies [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Amounts Recognized in Balance Sheet 1,495 1,051
U.S. treasury notes [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Amounts Recognized in Balance Sheet 4,356 2,787
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Amounts Recognized in Balance Sheet 11,026 7,034
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Cash [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Amounts Recognized in Balance Sheet 865 42
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | US Companies [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Amounts Recognized in Balance Sheet 4,310 3,154
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | International Companies [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Amounts Recognized in Balance Sheet 1,495 1,051
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | U.S. treasury notes [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Amounts Recognized in Balance Sheet 4,356 2,787
Fair Value Inputs Level2 [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Amounts Recognized in Balance Sheet 0 0
Fair Value Inputs Level2 [Member] | Cash [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Amounts Recognized in Balance Sheet 0 0
Fair Value Inputs Level2 [Member] | US Companies [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Amounts Recognized in Balance Sheet 0 0
Fair Value Inputs Level2 [Member] | International Companies [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Amounts Recognized in Balance Sheet 0 0
Fair Value Inputs Level2 [Member] | U.S. treasury notes [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Amounts Recognized in Balance Sheet 0 0
Fair Value Inputs Level3 [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Amounts Recognized in Balance Sheet 0 0
Fair Value Inputs Level3 [Member] | Cash [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Amounts Recognized in Balance Sheet 0 0
Fair Value Inputs Level3 [Member] | US Companies [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Amounts Recognized in Balance Sheet 0 0
Fair Value Inputs Level3 [Member] | International Companies [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Amounts Recognized in Balance Sheet 0 0
Fair Value Inputs Level3 [Member] | U.S. treasury notes [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Amounts Recognized in Balance Sheet $ 0 $ 0