Derivative Financial Instruments and Risk Management - Location and Amount of Gain (Loss) on Foreign Currency Derivatives (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss) Gain Recognized in Income	$ 0.3	$ (2.3)	$ (1.1)	$ (3.6)
Remeasurement of assets and liabilities in foreign currencies	(1.2)	1.3	1.8	1.6
Net gain (loss) on foreign currency transactions	(0.9)	(1.0)	0.7	(2.0)
Revenue
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss) Gain Recognized in Income	2.3	(1.0)	(2.3)	(3.1)
Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss) Gain Recognized in Income	(2.9)	0.4	(0.1)	1.2
Selling, general and administrative expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss) Gain Recognized in Income	$ 0.9	$ (1.7)	$ 1.3	$ (1.7)