Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities- Non-designated derivatives (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2016	Sep. 26, 2015	Oct. 01, 2016	Sep. 26, 2015
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net			$ 7.0
Non-designated derivatives:
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ (1.2)	$ (8.8)	(10.2)	$ (262.8)
Foreign currency forward contracts | Other nonoperating income (expense) [Member] | Non-designated derivatives:
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	(0.2)	(8.9)	(8.7)	(259.4)
Foreign currency forward contracts | Interest expense, net | Non-designated derivatives:
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ (1.0)	$ 0.1	$ (1.5)	$ (3.4)