Derivative Financial Instruments and Risk Management - Location and Amount of Gain (Loss) on Foreign Currency Derivatives (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss) Gain Recognized in Income	$ 1.4	$ (1.6)	$ 0.2	$ (5.2)
Remeasurement of assets and liabilities in foreign currencies	(1.7)	0.5	0.1	2.1
Net gain (loss) on foreign currency transactions	(0.3)	(1.1)	0.3	(3.1)
Revenue
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss) Gain Recognized in Income	1.5	(2.2)	(0.8)	(5.2)
Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss) Gain Recognized in Income	(0.6)	1.3	(0.8)	2.5
Selling, general and administrative expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss) Gain Recognized in Income	$ 0.5	$ (0.7)	$ 1.8	$ (2.5)