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Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2012
Fair Value Measurements [Abstract]  
Schedule Of Fair Value Of Available-For-Sale Investments
(In thousands) September 30,  December 31,
  2012  2011
Cost$ 7,786 $ 7,786
Gross unrealized losses  (1,087)   -
Gross unrealized gains  94,727   65,214
Fair value$ 101,426 $ 73,000
Schedule Of Accumulated Other Comprehensive Loss On Interest Rate Swaps
(In thousands)Accumulated other comprehensive loss
Balance at December 31, 2011$ 100,292
Other comprehensive income  (36,322)
Balance at September 30, 2012$ 63,970
Schedule Of Income Tax Benefit (Expense)
(In thousands) Three Months Ended  Nine Months Ended
   September 30,  September 30,
  2012  2011  2012  2011
Foreign currency translation adjustments$ (1,659) $ 8,603 $ (3,009) $ 2,796
Unrealized holding gain (loss) on marketable securities  (10,599)   9,738   (11,028)   1,773
Unrealized holding loss on cash flow derivatives  (7,048)   (6,474)   (20,648)   (13,602)
 Total income tax benefit (expense)$ (19,306) $ 11,867 $ (34,685) $ (9,033)