Accumulated Other Comprehensive (Loss) Income (Tables)

12 Months Ended

Dec. 31, 2011

Accumulated Other Comprehensive (Loss) Income [Abstract]

Schedule Of Accumulated Other Comprehensive Loss

	Foreign Currency Translation Adjustments			Net Transition Asset			Net Prior Service  Benefit			Net Benefit Plan Loss			Unrealized Gain (Loss)  on Marketable Securities			Other			Total
Balance at December 31, 2008	$	97,962		$	12		$	13,782		$	(211,545	)	$	(5	)	$	(848	)	$	(100,642	)
Current period change		39,354			(10	)		(8,556	)		(29,901	)		1			(670	)		218
Tax benefit (expense)		(5,082	)		4			3,060			10,303			—			279			8,564
Balance at December 31, 2009		132,234			6			8,286			(231,143	)		(4	)		(1,239	)		(91,860	)
Current period change		(56,620	)		(9	)		(2,978	)		(12,907	)		1			163			(72,350	)
Tax benefit (expense)		(6,009	)		3			1,123			4,956			—			(59	)		14
Balance at December 31, 2010		69,605			—			6,431			(239,094	)		(3	)		(1,135	)		(164,196	)
Current period change		(17,269	)		—			(2,158	)		(70,046	)		1			257			(89,215	)
Tax benefit (expense)		3,909			—			794			25,882			(1	)		(95	)		30,489
Balance at December 31, 2011	$	56,245		$	—		$	5,067		$	(283,258	)	$	(3	)	$	(973	)	$	(222,922	)