Restructuring Initiatives (Liability Balances for 2005 and 2009 Restructuring Program) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Opening Balance	$ 135.9	$ 149.0	$ 93.9
Yearly Charges	25.6	64.6	143.0
Adjustments	(22.2)	(23.3)	(12.7)
Cash payments	(64.1)	(49.2)	(59.7)
Non-cash write-offs	0.3	(1.7)	(17.9)
Foreign exchange	(1.6)	(3.5)	2.4
Ending Balance	73.9	135.9	149.0
Employee-Related Costs [Member]
Opening Balance	135.9	149.1	93.6
Yearly Charges	13.4	63.0	143.0
Adjustments	(21.3)	(23.3)	(12.5)
Cash payments	(52.1)	(47.7)	(59.5)
Non-cash write-offs	0.3	(1.7)	(17.9)
Foreign exchange	(1.6)	(3.5)	2.4
Ending Balance	74.6	135.9	149.1
Inventory Write-offs [Member]
Opening Balance	(0.2)	(0.2)	0
Yearly Charges	0	0	0
Adjustments	0	0	(0.2)
Cash payments	0	0	0
Non-cash write-offs			0
Foreign exchange	0	0	0
Ending Balance	(0.2)	(0.2)	(0.2)
Contract Terminations / Other [Member]
Opening Balance	0.2	0.1	0.3
Yearly Charges	12.2	1.6	0
Adjustments	(0.9)	0	0
Cash payments	(12.0)	(1.5)	(0.2)
Non-cash write-offs			0
Foreign exchange	0	0	0
Ending Balance	$ (0.5)	$ 0.2	$ 0.1