Derivative Instruments and Hedging Activities - Non-Designated Derivatives (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in Income			$ (5.9)
Non-designated derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in Income	$ (23.6)	$ 6.6	7.3
Foreign currency forward contracts | Other (Income) expense, net | Non-designated derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in Income	(25.4)	7.6	12.6
Foreign currency forward contracts | Interest expense, net | Non-designated derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in Income	$ 1.8	$ (1.0)	$ (5.3)