Derivatives (Narrative) (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
	Oct. 01, 2021	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016		Sep. 30, 2015		Apr. 15, 2016	Jan. 26, 2016	Dec. 31, 2015
Cash flow hedge ineffectiveness			0			0
Loss on Cash Flow Hedge Ineffectiveness		$ 0.4		$ 1.6
Cash Flow Hedge Income to be Reclassified within Twelve Months				(9.2)
Other Comprehensive Loss, Foreign Currency Transaction and Translation (Loss) Gain Arising During Period, Net of Tax				(23.3)	[1]	$ (128.6)	[2]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net		0.8	$ 0.0	4.1		$ 0.0
Interest Rate Swaps [Member]
Derivative, Notional Amount		596.0		$ 596.0
Interest Rate Swaps [Member] | Minimum [Member]
Derivative, Term of Contract				5 years
Interest Rate Swaps [Member] | Maximum [Member]
Derivative, Term of Contract				10 years
Cross Currency Interest Rate Contract [Member]
Derivative, Notional Amount		188.0		$ 188.0
Cash flow hedge ineffectiveness				0
Cross Currency Interest Rate Contract [Member] | Maximum [Member]
Derivative, Term of Contract				3 years
forward exchange contract sell USD [Member]
Derivative, Notional Amount		381.9		$ 381.9
Not Designated as Hedging Instrument [Member]
Derivative, Notional Amount		1,000.0		1,000.0
Commodity Contract [Member]
Derivative, Notional Amount		$ 7.2		7.2
Forward Starting Interest Rate Swaps [Member]
Derivative Liability, Notional Amount									$ 1,300.0	$ 1,000.0
Derivative Instruments, Loss recognized in OCI, Effective Portion				91.2
Cash Flow Hedge Income to be Reclassified within Twelve Months				(9.7)
Total 2015 and 2016 Forward Starting Interest Rate Swaps [Member]
Derivative Liability, Notional Amount									$ 2,300.0
Medium-term Notes [Member]
Other Comprehensive Loss, Foreign Currency Transaction and Translation (Loss) Gain Arising During Period, Net of Tax				$ 2.3
3.75% Senior Exchange Notes due 2021 [Member]
Debt Instrument, Face Amount								$ 300.0
Debt Instrument, Interest Rate, Stated Percentage								3.75%
Debt Instrument, Maturity Date	Oct. 01, 2021

[1] Includes foreign exchange losses of $5.7 million arising during the nine months ended September 30, 2016 associated with intercompany loans designated as long-term and $2.3 million of foreign exchange gains associated with long-term debt designated as a hedge of a net investment.

[2] Includes foreign exchange losses of $16.9 million arising during the nine months ended September 30, 2015 associated with intercompany loans designated as long-term.