Financial Instruments (Details 3) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Concentrations of Credit Risk
Maximum percentage of revenues accounted by any single customer	10.00%
Cash flow hedge
Derivative instrument disclosures
Amount of gain (loss) recognized in AOCI, pre-tax	$ (2.0)	$ (10.9)	$ (9.0)
Amount of gain (loss) reclassified from AOCI to income, pre-tax	(0.2)	(34.5)	(26.6)
Derivative gains (losses) recognized in other expense, net, relating to derivative ineffectiveness and amounts excluded from effectiveness testing	0.3	1.1	(0.2)
Cash flow hedge | Interest Rate Swaps
Derivative instrument disclosures
Amount of gain (loss) recognized in AOCI, pre-tax		(9.3)	(6.6)
Cash flow hedge | Interest Rate Swaps | Interest expense.
Derivative instrument disclosures
Amount of gain (loss) reclassified from AOCI to income, pre-tax		(12.7)	(20.4)
Cash flow hedge | Interest Rate Swaps | Loss on early extinguishment of interest rate protection agreements and term loan
Derivative instrument disclosures
Amount of gain (loss) reclassified from AOCI to income, pre-tax		(24.3)
Cash flow hedge | FX forward contracts
Derivative instrument disclosures
Amount of gain (loss) recognized in AOCI, pre-tax	(0.2)	(4.9)	(1.8)
Cash flow hedge | FX forward contracts | Cost of products sold
Derivative instrument disclosures
Amount of gain (loss) reclassified from AOCI to income, pre-tax	(0.8)
Cash flow hedge | FX embedded derivatives
Derivative instrument disclosures
Amount of gain (loss) recognized in AOCI, pre-tax		2.3	(4.6)
Cash flow hedge | FX embedded derivatives | Cost of products sold
Derivative instrument disclosures
Amount of gain (loss) reclassified from AOCI to income, pre-tax		1.8
Cash flow hedge | Commodity contracts
Derivative instrument disclosures
Amount of gain (loss) recognized in AOCI, pre-tax	(1.8)	1.0	4.0
Cash flow hedge | Commodity contracts | Cost of products sold
Derivative instrument disclosures
Amount of gain (loss) reclassified from AOCI to income, pre-tax	0.6	0.7	(6.2)
Derivative contracts not designated as hedging instruments
Derivative instrument disclosures
Amount of gain (loss) recognized in income	(37.3)	(18.4)	(7.5)
Derivative contracts not designated as hedging instruments | FX forward contracts | Other expense, net
Derivative instrument disclosures
Amount of gain (loss) recognized in income	(38.5)	5.0	5.6
Derivative contracts not designated as hedging instruments | FX embedded derivatives | Other expense, net
Derivative instrument disclosures
Amount of gain (loss) recognized in income	1.2	(23.4)	(13.1)
Gain (loss) on discontinuation of foreign currency cash flow hedge due to the occurrence of forecasted transaction no longer being probable	$ 4.6