Restructuring And Other Charges (Movements In Restructuring And Related Accruals) (Details) (USD $)	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010	Dec. 31, 2009
Restructuring Cost and Reserve [Line Items]
Balance	$ 3,977,000		$ 18,914,000	$ 14,821,000
Additional charges (reversals), net	13,172,000		10,077,000	18,301,000
Non-cash charges	(3,139,000)		(4,409,000)	(1,104,000)
Payments and other costs	(3,236,000)		(20,605,000)	(13,104,000)
Balance	10,774,000	[1]	3,977,000	18,914,000
Employee-related liability	600,000
Employee-Related [Member]
Restructuring Cost and Reserve [Line Items]
Balance	3,977,000		18,914,000	14,755,000
Additional charges (reversals), net	8,677,000		4,370,000	17,263,000
Non-cash charges
Payments and other costs	(1,880,000)		(19,307,000)	(13,104,000)
Balance	10,774,000	[1]	3,977,000	18,914,000
Pension [Member]
Restructuring Cost and Reserve [Line Items]
Balance
Additional charges (reversals), net	3,877,000
Non-cash charges	(3,139,000)
Payments and other costs	(738,000)
Balance		[1]
Asset-Related And Other [Member]
Restructuring Cost and Reserve [Line Items]
Balance				66,000
Additional charges (reversals), net	618,000		5,707,000	1,038,000
Non-cash charges			(4,409,000)	(1,104,000)
Payments and other costs	(618,000)		(1,298,000)
Balance		[1]

[1] $0.6 million of the remaining employee-related liability is classified in Other liabilities as of December 31, 2011 in the Consolidated Balance Sheet.