Fair Value Disclosure - Recurring and Nonrecurring (Details) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Millions		Mar. 31, 2018	Dec. 31, 2017
Designated as Hedging Instrument [Member]
Assets
Foreign Currency Cash Flow Hedge Asset at Fair Value	[1]	$ 0.1	$ 1.2
Liabilities
Interest rate derivatives	[2]	10.5	4.7
Foreign Currency Fair Value Hedge Liability at Fair Value	[1]	38.0
Foreign exchange rate derivatives	[1]		(27.7)
Not Designated as Hedging Instrument [Member]
Liabilities
Foreign exchange rate derivatives	[1]	(6.2)	(6.9)
Fair Value, Inputs, Level 2 [Member] | Designated as Hedging Instrument [Member]
Assets
Foreign Currency Cash Flow Hedge Asset at Fair Value	[1]	0.1
Liabilities
Interest rate derivatives	[2]	10.5	4.7
Foreign Currency Fair Value Hedge Liability at Fair Value	[1]	$ 38.0
Foreign exchange rate derivatives	[1]		$ (27.7)

[1] (2) Not designated as hedges

[2] (1) Designated as hedges