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Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2012
Fair Value Measurements [Abstract]  
Schedule Of Fair Value Of Available-For-Sale Investments
(In thousands) June 30,  December 31,
  2012  2011
Cost$ 3,188 $ 3,188
Gross unrealized losses  -   -
Gross unrealized gains  84   74
Fair value$ 3,272 $ 3,262