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Other Income, Net (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Other Income, Net [Abstract]      
Gain from sale of Mediguide shares     $ 12,809 [1]
Other 78 1,909 450
Other income, net $ 78 $ 1,909 $ 13,259
[1] Gain from the sale of Mediguide Inc. shares to St. Jude Medical in 2008, recognized during 2010.