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International Retirement Plan (Components Of Net Periodic Benefit Costs And Other Amounts Recognized In Other Comprehensive Income) (Details) (International Retirement Plan [Member], USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
International Retirement Plan [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Service cost $ 144 $ 92
Interest cost 198 191
Amortization of actuarial loss 55  
Total 397 283
Net loss 168 714
Total expense recognized in net periodic benefit cost and other comprehensive income $ 565 $ 997