Derivative Financial Instruments (Details 3) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Gain (loss) of derivatives instruments NOT designated as hedging instrument
Gain (loss) of derivatives instruments NOT designated as hedging instrument	$ (0.6)	$ (1.5)	$ (2.7)	$ 0.2
Foreign exchange contracts
Gain (loss) of derivatives instruments NOT designated as hedging instrument
Gain (loss) of derivatives instruments NOT designated as hedging instrument	(0.6)	(1.5)	(2.7)	0.2
Foreign exchange contracts | Derivatives in Cash Flow Hedging Relationships
Gain (loss) of derivatives instruments NOT designated as hedging instrument
Amount of Gain or (Loss) Recognized in OCI on Derivatives (Effective Portion, net of tax)	(1.0)	(3.5)	0.9	(4.7)
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	2.7	(2.0)	3.4	(2.5)
Interest rate swap contracts | Derivatives in Cash Flow Hedging Relationships
Gain (loss) of derivatives instruments NOT designated as hedging instrument
Amount of Gain or (Loss) Recognized in OCI on Derivatives (Effective Portion, net of tax)		(3.1)	1.1	(7.0)
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	(2.7)	(2.7)	(5.3)	(5.4)
Interest rate swap contracts | Derivatives Relationships
Gain (loss) of derivatives instruments NOT designated as hedging instrument
Amount of Gain or (Loss) Recognized in Income on Derivatives	14.3		11.7
Commodity contracts | Derivatives in Cash Flow Hedging Relationships
Gain (loss) of derivatives instruments NOT designated as hedging instrument
Amount of Gain or (Loss) Recognized in OCI on Derivatives (Effective Portion, net of tax)	(0.3)	(0.8)	(0.4)	(0.8)
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	0.2	0.3	0.3	0.5
Commodity contracts | Derivatives Relationships
Gain (loss) of derivatives instruments NOT designated as hedging instrument
Amount of Gain or (Loss) Recognized in Income on Derivatives (Ineffective Portion and Amount Excluded from Effectiveness Testing)		0.2
Derivatives in Cash Flow Hedging Relationships
Gain (loss) of derivatives instruments NOT designated as hedging instrument
Amount of Gain or (Loss) Recognized in OCI on Derivatives (Effective Portion, net of tax)	(1.3)	(7.4)	1.6	(12.5)
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	0.2	(4.4)	(1.6)	(7.4)
Derivatives Relationships
Gain (loss) of derivatives instruments NOT designated as hedging instrument
Amount of Gain or (Loss) Recognized in Income on Derivatives (Ineffective Portion and Amount Excluded from Effectiveness Testing)		0.2
Amount of Gain or (Loss) Recognized in Income on Derivatives	$ 14.3		$ 11.7