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Accumulated Other Comprehensive Loss (Tables)
3 Months Ended
Mar. 31, 2014
Comprehensive Income Net Of Tax [Abstract]  
Schedule Of Accumulated Other Comprehensive Loss
    Foreign  Unrealized      
    currency  loss on      
    translation  investments,      
(in thousands)  adjustments  net of tax  Other  Total
Balances, December 31, 2013 $ (8,090) $ (1,433) $ 429  $ (9,094)
 Other comprehensive loss before            
  reclassifications   (27)   (9)     (36)
 Amounts reclassified from accumulated            
  other comprehensive loss       (8)   (8)
Net current period other comprehensive loss   (27)   (9)   (8)   (44)
Balances, March 31, 2014 $ (8,117) $ (1,442) $ 421  $ (9,138)