Fair Value Disclosure (Details) $ in Millions		3 Months Ended
		Mar. 31, 2017 USD ($) Instrument	Mar. 31, 2016 USD ($)	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		$ (3.5)
Derivative, Net Liability Position, Aggregate Fair Value		2.0
Derivative Asset, Notional Amount		450.0		$ 550.0
Asset Impairment Charges		0.0	$ 0.0
Liabilities
Derivative, Notional Amount		317.6		412.1
Cash Flow Hedge Pre Tax Gain Loss to be Reclassified within Twelve Months		(5.7)
Fair Value, Measurements, Recurring [Member] | Designated as Hedging Instrument [Member]
Assets
Interest rate derivatives	[1]	0.2		2.9
Foreign Currency Cash Flow Hedge Asset at Fair Value	[2]	10.2		12.2
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	[2]			1.3
Liabilities
Interest rate derivatives	[1]	1.7		0.1
Foreign Currency Fair Value Hedge Liability at Fair Value	[2]	0.3
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]	0.3
Liabilities
Foreign exchange rate derivatives	[2]	(3.5)
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Designated as Hedging Instrument [Member]
Assets
Interest rate derivatives	[1]	0.2		2.9
Foreign Currency Cash Flow Hedge Asset at Fair Value	[2]	10.2
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	[2]			1.3
Liabilities
Interest rate derivatives	[1]	1.7		$ 0.1
Foreign Currency Fair Value Hedge Liability at Fair Value	[2]	$ 0.3
Cash Flow Hedging [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative, Number of Instruments Held | Instrument		15		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		$ 4.1	17.0
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		4.8	1.3
Portfolio Management [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset Impairment Charges		$ 0.0	$ 0.0

[1] (1) Designated as hedges

[2] (2) Not designated as hedges