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International Retirement Plan (Summary Of Amounts Recognized In Consolidated Balance Sheets) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]      
Projected benefit obligation $ 5,861 $ 5,139  
International Retirement Plan [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Accrued liabilities 127 101  
Other liabilities 5,860 5,139  
Projected benefit obligation 5,987 5,240 3,936
Accumulated other comprehensive income (1,076) (908)  
Total $ 4,911 $ 4,332