Derivative Instruments and Hedging Activities - Effects of Non-designated Derivatives (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2016	Jun. 27, 2015	Jul. 02, 2016	Jun. 27, 2015
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in Income			$ (7.0)
Non-designated derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in Income	$ (2.2)	$ 4.2	(9.0)	$ (254.0)
Foreign currency forward contracts | Other expense, net | Non-designated derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in Income	(1.6)	5.2	(8.5)	(250.5)
Foreign currency forward contracts | Interest expense, net | Non-designated derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in Income	$ (0.6)	$ (1.0)	$ (0.5)	$ (3.5)