Derivative Instruments and Hedging Activities Fair Value Balance Sheet (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Designated as Hedging Instrument [Member]
Derivatives designated as hedging instruments:
Derivative asset, fair value, designated as hedging instrument	$ 84.4	$ 42.4
Derivative liability, fair value, designated as hedging instrument	(27.1)	(13.0)
Designated as Hedging Instrument [Member] | Cross currency swaps [Member]
Derivatives designated as hedging instruments:
Derivative, notional amount	284.5
Designated as Hedging Instrument [Member] | Cross currency swaps [Member] | Other non-current assets [Member]
Derivatives designated as hedging instruments:
Derivative asset, fair value, designated as hedging instrument	15.9
Designated as Hedging Instrument [Member] | Cross currency swaps [Member] | Other liabilities [Member]
Derivatives designated as hedging instruments:
Derivative liability, fair value, designated as hedging instrument	0
Designated as Hedging Instrument [Member] | Interest rate swaps [Member]
Derivatives designated as hedging instruments:
Derivative, notional amount	1,178.4	844.2
Designated as Hedging Instrument [Member] | Interest rate swaps [Member] | Other current assets [Member]
Derivatives designated as hedging instruments:
Derivative asset, fair value, designated as hedging instrument	0	0
Designated as Hedging Instrument [Member] | Interest rate swaps [Member] | Other non-current assets [Member]
Derivatives designated as hedging instruments:
Derivative asset, fair value, designated as hedging instrument	19.8	10.8
Designated as Hedging Instrument [Member] | Interest rate swaps [Member] | Accounts payable and other current liabilities [Member]
Derivatives designated as hedging instruments:
Derivative liability, fair value, designated as hedging instrument	(26.9)	(13.0)
Designated as Hedging Instrument [Member] | Interest rate swaps [Member] | Other liabilities [Member]
Derivatives designated as hedging instruments:
Derivative liability, fair value, designated as hedging instrument	0	0
Designated as Hedging Instrument [Member] | Foreign currency forwards [Member]
Derivatives designated as hedging instruments:
Derivative, notional amount	344.2	343.4
Designated as Hedging Instrument [Member] | Foreign currency forwards [Member] | Other current assets [Member]
Derivatives designated as hedging instruments:
Derivative asset, fair value, designated as hedging instrument	29.7	19.5
Designated as Hedging Instrument [Member] | Foreign currency forwards [Member] | Other non-current assets [Member]
Derivatives designated as hedging instruments:
Derivative asset, fair value, designated as hedging instrument	19.0	12.1
Designated as Hedging Instrument [Member] | Foreign currency forwards [Member] | Accounts payable and other current liabilities [Member]
Derivatives designated as hedging instruments:
Derivative liability, fair value, designated as hedging instrument	0	0
Designated as Hedging Instrument [Member] | Foreign currency forwards [Member] | Other liabilities [Member]
Derivatives designated as hedging instruments:
Derivative liability, fair value, designated as hedging instrument	(0.2)	0
Not Designated as Hedging Instrument [Member]
Derivatives not designated as hedging instruments:
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value	3.3	0.6
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value	(10.3)	(9.5)
Not Designated as Hedging Instrument [Member] | Foreign currency forwards [Member]
Derivatives designated as hedging instruments:
Derivative, notional amount	28.6
Not Designated as Hedging Instrument [Member] | Foreign currency forwards [Member] | Other current assets [Member]
Derivatives designated as hedging instruments:
Derivative asset, fair value, designated as hedging instrument	1.2
Not Designated as Hedging Instrument [Member] | Foreign currency forwards [Member] | Accounts payable and other current liabilities [Member]
Derivatives designated as hedging instruments:
Derivative liability, fair value, designated as hedging instrument	0
Not Designated as Hedging Instrument [Member] | Commodity swaps [Member]
Derivatives designated as hedging instruments:
Derivative, notional amount	120.9	111.1
Not Designated as Hedging Instrument [Member] | Commodity swaps [Member] | Other current assets [Member]
Derivatives not designated as hedging instruments:
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value	1.0	0.2
Not Designated as Hedging Instrument [Member] | Commodity swaps [Member] | Other non-current assets [Member]
Derivatives not designated as hedging instruments:
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value	1.1	0.4
Not Designated as Hedging Instrument [Member] | Commodity swaps [Member] | Accounts payable and other current liabilities [Member]
Derivatives not designated as hedging instruments:
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value	(5.3)	(4.9)
Not Designated as Hedging Instrument [Member] | Commodity swaps [Member] | Other liabilities [Member]
Derivatives not designated as hedging instruments:
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value	$ (5.0)	$ (4.6)