Other (Income) Expense, Net (Other (Income) Expense, Net) (Details) (USD $)	3 Months Ended			12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Other (Income) Expense, Net [Abstract]
Interest income				$ (3,500,000)	$ (3,700,000)	$ (3,600,000)
Foreign exchange losses (gains)				2,000,000	(700,000)	(1,500,000)
Legal settlements and commitments				246,500,000
Impairment charges for bonds	4,500,000	7,000,000		11,500,000
Restructuring				7,800,000	16,700,000	15,400,000
Asset dispositions						7,200,000
Insurance settlements, net						7,000,000
Acquisition related items	4,100,000		7,700,000	4,400,000	9,300,000	3,200,000
Other, net				3,200,000	3,000,000	2,800,000
Total other (income) expense, net				$ (271,900,000)	$ (24,600,000)	$ (30,500,000)