The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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A disclosure of an assertion that the amount of cash flow hedge ineffectiveness is immaterial.

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The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

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The effective portion of losses on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

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Nominal or face amount used to calculate payments on the derivative liability.

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The loss recognized in earnings during the reporting period representing the amount of the cash flow hedges' ineffectiveness.

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Derivatives Derivatives (Cash Flow Hedges Recognized In AOCI) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Jan. 26, 2016	Dec. 31, 2015
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	$ (4.4)	$ 0.9	$ (110.1)	$ 9.9
Loss on Cash Flow Hedge Ineffectiveness	(0.4)		(1.6)
Cash Flow Hedge Ineffectiveness is Immaterial		0		0
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months			9.2
Forward Starting Interest Rate Swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Liability, Notional Amount					$ 1,300.0	$ 1,000.0
Derivative Instruments, Loss Recognized in Other Comprehensive Income (Loss), Effective Portion			91.2
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months			9.7
Total 2015 and 2016 Forward Starting Interest Rate Swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Liability, Notional Amount					$ 2,300.0
Forward Interest Rate Swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	0.0	$ 0.0	(88.1)	$ 0.0
Cross Currency Interest Rate Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	(3.7)	(6.0)	$ (29.3)	(2.9)
Cash Flow Hedge Ineffectiveness is Immaterial			0
Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	0.1	8.3	$ 7.3	12.3
Foreign Exchange Contracts on Intercompany Borrowings [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	$ (0.8)	$ (1.4)	$ 0.0	$ 0.5