Derivatives and Hedging Activities - Effect of Derivative Instruments on Condensed Consolidated Statements of Operations (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Derivative Instruments Gain Loss [Line Items]
Amount of (Loss) Gain Recognized in Earnings on Derivatives	$ (1.2)	$ 0.4
Derivatives designated as hedging instruments | Cash Flow Hedge
Derivative Instruments Gain Loss [Line Items]
Amount of (Loss) Gain Recognized in Earnings on Derivatives	(3.4)	1.1
Derivatives designated as hedging instruments | Cash Flow Hedge | Foreign currency forward and option contracts
Derivative Instruments Gain Loss [Line Items]
Amount of (Loss) Gain Recognized in Earnings on Derivatives	(3.4)	1.1
Derivatives designated as hedging instruments | Fair Value Hedges | Interest rate swaps
Derivative Instruments Gain Loss [Line Items]
Amount of (Loss) Gain Recognized in Earnings on Derivatives	0.0	0.1
Derivatives not designated as hedging instruments | Foreign currency forward and option contracts
Derivative Instruments Gain Loss [Line Items]
Amount of (Loss) Gain Recognized in Earnings on Derivatives	$ 2.2	$ (0.8)