Fair Value Disclosure (Details) $ in Millions		3 Months Ended			9 Months Ended		12 Months Ended
		Sep. 30, 2015 USD ($) Instrument	Dec. 31, 2014 USD ($) Instrument	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) Instrument	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($) Instrument
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Notional Amount		$ 550.0	$ 600.0		$ 550.0		$ 600.0
Fair Value, Measurements, Recurring [Member]
Assets
Available for sale equity securities		3.8	4.4		3.8		4.4
Fair Value, Measurements, Recurring [Member] | Designated as Hedging Instrument [Member]
Assets
Interest rate derivatives	[1]	6.0	1.8		6.0		1.8
Liabilities
Interest rate derivatives	[1]	1.3	5.9		1.3		5.9
Foreign Currency Cash Flow Hedge Liability at Fair Value	[2]	2.8			2.8
Fair Value, Measurements, Recurring [Member] | Not Designated as Hedging Instrument [Member]
Assets
Foreign Currency Cash Flow Hedge Asset at Fair Value	[2]	8.2			8.2
Foreign exchange rate derivatives	[2]	0.9	9.7		0.9		9.7
Liabilities
Foreign exchange rate derivatives	[2]	1.7	1.6		1.7		1.6
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Assets
Available for sale equity securities		3.8	4.4		3.8		4.4
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Designated as Hedging Instrument [Member]
Assets
Interest rate derivatives	[1]	0.0	0.0		0.0		0.0
Liabilities
Interest rate derivatives	[1]	0.0	0.0		0.0		0.0
Foreign Currency Cash Flow Hedge Liability at Fair Value	[2]	0.0			0.0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Not Designated as Hedging Instrument [Member]
Assets
Foreign Currency Cash Flow Hedge Asset at Fair Value	[2]	0.0			0.0
Foreign exchange rate derivatives	[2]	0.0	0.0		0.0		0.0
Liabilities
Foreign exchange rate derivatives	[2]	0.0	0.0		0.0		0.0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Assets
Available for sale equity securities		0.0	0.0		0.0		0.0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Designated as Hedging Instrument [Member]
Assets
Interest rate derivatives	[1]	6.0	1.8		6.0		1.8
Liabilities
Interest rate derivatives	[1]	1.3	5.9		1.3		5.9
Foreign Currency Cash Flow Hedge Liability at Fair Value	[2]	2.8			2.8
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Not Designated as Hedging Instrument [Member]
Assets
Foreign Currency Cash Flow Hedge Asset at Fair Value	[2]	8.2			8.2
Foreign exchange rate derivatives	[2]	0.9	9.7		0.9		9.7
Liabilities
Foreign exchange rate derivatives	[2]	1.7	1.6		1.7		1.6
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Assets
Available for sale equity securities		0.0	0.0		0.0		0.0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Designated as Hedging Instrument [Member]
Assets
Interest rate derivatives	[1]	0.0	0.0		0.0		0.0
Liabilities
Interest rate derivatives	[1]	0.0	0.0		0.0		0.0
Foreign Currency Cash Flow Hedge Liability at Fair Value	[2]	0.0			0.0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Not Designated as Hedging Instrument [Member]
Assets
Foreign Currency Cash Flow Hedge Asset at Fair Value	[2]	0.0			0.0
Foreign exchange rate derivatives	[2]	0.0	0.0		0.0		0.0
Liabilities
Foreign exchange rate derivatives	[2]	$ 0.0	$ 0.0		$ 0.0		$ 0.0
Fair Value Hedging [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Maturity Date Range of Derivative Instruments					2017 to 2020		2015 to 2020
Derivative, Number of Instruments Held | Instrument		8	8		8		8
Cash Flow Hedging [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Maturity Date Range of Derivative Instruments		2015 to 2022	2015 to 2020
Derivative, Number of Instruments Held | Instrument		9	7		9		7
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		$ (0.6)		$ (7.0)	$ (6.4)	$ (6.0)
Other Expense [Member] | Cash Flow Hedging [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		0.8		$ 0.0	5.0	$ 2.2
Other Expense [Member] | Foreign Currency Gain (Loss) [Member] | Cash Flow Hedging [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		$ 0.8			$ 3.5

[1] (1) Designated as hedges

[2] (2) Not designated as hedges