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Retirement Plans And Other Postretirement Benefits (Schedule Of Pension Plan Assets Categorized By Level Within Fair Value Measurement Hierarchy) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value $ 223,285 $ 209,682
Contracts with insurance companies 9,420 9,353
Total plan assets 232,705 219,035
Large/mid-capitalization equity securities
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 32,134 23,845
Small-capitalization equity securities
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 11,063 11,914
International and emerging market equity securities
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 27,271 21,827
Fixed income securities
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 32,601 32,150
Private equity and hedge funds
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 112,345 109,690
Other assets
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 7,871 10,256
Quoted Prices in Active Markets for Identical Assets (Level 1)
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 82,326 72,909
Quoted Prices in Active Markets for Identical Assets (Level 1) | Large/mid-capitalization equity securities
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 32,134 23,845
Quoted Prices in Active Markets for Identical Assets (Level 1) | Small-capitalization equity securities
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 11,063 11,914
Quoted Prices in Active Markets for Identical Assets (Level 1) | International and emerging market equity securities
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 13,488 8,814
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fixed income securities
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 17,770 18,080
Quoted Prices in Active Markets for Identical Assets (Level 1) | Private equity and hedge funds
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 0 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Other assets
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 7,871 10,256
Significant Other Observable Inputs (Level 2)
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 132,145 128,417
Significant Other Observable Inputs (Level 2) | Large/mid-capitalization equity securities
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 0 0
Significant Other Observable Inputs (Level 2) | Small-capitalization equity securities
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 0 0
Significant Other Observable Inputs (Level 2) | International and emerging market equity securities
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 13,783 13,013
Significant Other Observable Inputs (Level 2) | Fixed income securities
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 14,831 14,070
Significant Other Observable Inputs (Level 2) | Private equity and hedge funds
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 103,531 101,334
Significant Other Observable Inputs (Level 2) | Other assets
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 0 0
Significant Unobservable Inputs (Level 3)
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 8,814 8,356
Significant Unobservable Inputs (Level 3) | Large/mid-capitalization equity securities
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 0 0
Significant Unobservable Inputs (Level 3) | Small-capitalization equity securities
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 0 0
Significant Unobservable Inputs (Level 3) | International and emerging market equity securities
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 0 0
Significant Unobservable Inputs (Level 3) | Fixed income securities
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 0 0
Significant Unobservable Inputs (Level 3) | Private equity and hedge funds
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value 8,814 8,356
Significant Unobservable Inputs (Level 3) | Other assets
    
Defined Benefit Plan Disclosure [Line Items]    
Total plan assets at fair value $ 0 $ 0