Derivative Financial Instruments and Risk Management - Location and Amount of Gain (Loss) on Foreign Currency Derivatives (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on foreign currency derivative instruments not designated as hedging instruments	$ (0.3)	$ (1.4)
Remeasurement of assets and liabilities in foreign currencies	(0.3)	2.9
Net gain (loss) on foreign currency transactions	(0.6)	1.5
Revenue
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on foreign currency derivative instruments not designated as hedging instruments	(1.2)	(4.6)
Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on foreign currency derivative instruments not designated as hedging instruments	0.9	2.8
Selling, general and administrative expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on foreign currency derivative instruments not designated as hedging instruments	$ 0.0	$ 0.4