Fair Value Disclosure (Details) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2017 USD ($) Instrument	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) Instrument	Jun. 30, 2016 USD ($)	Dec. 31, 2016 USD ($) Instrument
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months				$ (3.0)
Derivative, Net Liability Position, Aggregate Fair Value		$ 14.7		14.7
Derivative Asset, Notional Amount		450.0		450.0		$ 550.0
Asset Impairment Charges		1.9	$ 1.8	1.9	$ 1.8
Liabilities
Derivative, Notional Amount		294.7		294.7		412.1
Cash Flow Hedge Pre Tax Gain Loss to be Reclassified within Twelve Months				(4.9)
Fair Value, Measurements, Recurring [Member] | Designated as Hedging Instrument [Member]
Assets
Interest rate derivatives	[1]	0.5		0.5		2.9
Foreign Currency Cash Flow Hedge Asset at Fair Value	[2]	5.0		5.0		12.2
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	[2]					1.3
Liabilities
Interest rate derivatives	[1]	0.7		0.7		0.1
Foreign Currency Fair Value Hedge Liability at Fair Value	[2]	14.0		14.0
Fair Value, Measurements, Recurring [Member] | Not Designated as Hedging Instrument [Member]
Assets
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	[2]	0.2		0.2
Liabilities
Foreign exchange rate derivatives	[2]	(4.8)		(4.8)
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Designated as Hedging Instrument [Member]
Assets
Interest rate derivatives	[1]	0.5		0.5		2.9
Foreign Currency Cash Flow Hedge Asset at Fair Value	[2]	5.0		5.0
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	[2]					1.3
Liabilities
Interest rate derivatives	[1]	0.7		0.7		$ 0.1
Foreign Currency Fair Value Hedge Liability at Fair Value	[2]	$ 14.0		$ 14.0
Cash Flow Hedging [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative, Number of Instruments Held | Instrument		17		17		9
Other Nonoperating Income (Expense) [Member] | Cash Flow Hedging [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Effective portion reclassified from accumulated other comprehensive loss		$ 19.6	(6.7)	$ 23.7	10.3
Other Expense [Member] | Not Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net		1.3	(3.6)	6.1	(2.3)
Other Expense [Member] | Foreign Currency Gain (Loss) [Member] | Not Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net			10.2		6.8
Portfolio Management [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset Impairment Charges		$ 0.0	$ 1.8	$ 0.0	$ 1.8

[1] (1) Designated as hedges

[2] (2) Not designated as hedges