Derivative Instruments and Hedging Activities - Non-Designated Derivatives (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended	12 Months Ended
	Dec. 02, 2014	Jul. 01, 2017	Apr. 02, 2016	Dec. 31, 2015	Dec. 31, 2017	Dec. 31, 2016	Jun. 27, 2015
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in Income	$ (5.8)	$ (5.9)	$ (7.0)
Non-designated derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in Income				$ (8.7)	$ 7.3	$ (4.6)	$ (325.2)
Foreign currency forward contracts | Other expense (Income), net | Non-designated derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in Income				(8.0)	12.6	(2.4)	(295.4)
Foreign currency forward contracts | Interest expense, net | Non-designated derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in Income				(0.7)	(5.3)	(2.2)	(3.4)
Foreign exchange option | Other expense (Income), net | Non-designated derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in Income				$ 0.0	$ 0.0	$ 0.0	$ (26.4)