Fair Value Disclosure (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended		12 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Notional Amount		$ 550.0		$ 550.0		$ 600.0
Fair Value, Measurements, Recurring [Member]
Assets
Available for sale equity securities		4.2		4.2		4.4
Fair Value, Measurements, Recurring [Member] | Designated as Hedging Instrument [Member]
Assets
Interest rate derivatives	[1]	1.6		1.6		1.8
Liabilities
Interest rate derivatives	[1]					5.9
Foreign Currency Cash Flow Hedge Liability at Fair Value	[2]	4.2		4.2
Fair Value, Measurements, Recurring [Member] | Not Designated as Hedging Instrument [Member]
Assets
Foreign Currency Cash Flow Hedge Asset at Fair Value	[2]	7.8		7.8
Foreign exchange rate derivatives	[2]	1.6		1.6		9.7
Liabilities
Foreign exchange rate derivatives	[2]	2.5		2.5		1.6
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Assets
Available for sale equity securities		4.2		4.2		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
Liabilities
Interest rate derivatives	[1]					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
Liabilities
Foreign exchange rate derivatives	[2]	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
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Designated as Hedging Instrument [Member]
Assets
Interest rate derivatives	[1]	1.6		1.6		1.8
Liabilities
Interest rate derivatives	[1]					5.9
Foreign Currency Cash Flow Hedge Liability at Fair Value	[2]	4.2		4.2
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]	7.8		7.8
Foreign exchange rate derivatives	[2]	1.6		1.6		9.7
Liabilities
Foreign exchange rate derivatives	[2]	2.5		2.5		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
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
Liabilities
Interest rate derivatives	[1]					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
Liabilities
Foreign exchange rate derivatives	[2]	$ 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
Cash Flow Hedging [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Maturity Date Range of Derivative Instruments
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		$ (1.6)	$ 0.9	$ (5.8)	$ 1.0
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		12.6	$ 0.0	4.2	$ 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		$ 12.6		$ 2.7

[1] (1) Designated as hedges

[2] (2) Not designated as hedges