Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2013

Fair Value Measurements [Abstract]

Schedule Of Fair Value Of Available-For-Sale Investments

(In thousands)	March 31, 2013		December 31, 2012
Cost	$	5,207	$	5,207
Gross unrealized losses		(25)		-
Gross unrealized gains		113,499		106,220
Fair value	$	118,681	$	111,427

Schedule Of Accumulated Other Comprehensive Loss On Interest Rate Swaps

(In thousands)	Accumulated other comprehensive loss
Balance at December 31, 2012	$	48,180
Other comprehensive income		(14,823)
Balance at March 31, 2013	$	33,357

Schedule Of Income Tax Benefit

(In thousands)		Three Months Ended March 31,
		2013		2012
Foreign currency translation adjustments and other		$	(730)	$	2,234
Unrealized holding gain on marketable securities			2,820		7,017
Unrealized holding gain on cash flow derivatives			8,774		5,120
	Total income tax benefit	$	10,864	$	14,371