Financial Instruments and Derivative Financial Instruments (Balance Sheet) (Details) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Derivatives, Fair Value [Line Items]
Derivative Instruments in Hedges, Assets, at Fair Value	$ 11.3	$ 9.0
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value	3.5	6.2
Derivative Asset, Fair Value, Gross Asset	14.8	15.2
Derivative Instruments in Hedges, Liabilities, at Fair Value	15.0	14.3
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value	6.3	6.2
Derivative Liability, Fair Value, Gross Liability	21.3	20.5
Designated as Hedging Instrument [Member] | Prepaid expenses and other [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Asset at Fair Value	8.8	4.6
Foreign Currency Cash Flow Hedge Liability at Fair Value	7.7	2.4
Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Asset at Fair Value	1.3	3.5
Foreign Currency Cash Flow Hedge Liability at Fair Value	6.4	8.8
Designated as Hedging Instrument [Member] | Other Noncurrent Assets [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Asset at Fair Value	1.2	0.9
Designated as Hedging Instrument [Member] | Other Noncurrent Liabilities [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Liability at Fair Value	0.9	3.1
Not Designated as Hedging Instrument [Member] | Prepaid expenses and other [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Asset at Fair Value	2.0	4.3
Foreign Currency Cash Flow Hedge Liability at Fair Value	0.8	2.7
Not Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Cash Flow Hedge Asset at Fair Value	0.0	0.0
Foreign Currency Cash Flow Hedge Asset at Fair Value	0.9	0.6
Interest Rate Cash Flow Hedge Liability at Fair Value	1.0	1.0
Foreign Currency Cash Flow Hedge Liability at Fair Value	4.5	2.5
Not Designated as Hedging Instrument [Member] | Other Noncurrent Assets [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Cash Flow Hedge Asset at Fair Value	0.6	1.3
Not Designated as Hedging Instrument [Member] | Other Noncurrent Liabilities [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Cash Flow Hedge Liability at Fair Value	$ 0.0	$ 0.0