Derivative Financial Instruments and Fair Value Measurements - Impact of Changes in Fair Values of Derivatives Designated as Cash Flow Hedges on OCI, AOCI and Earnings (Details) - Cross-currency swap - Cash flow hedge - Designated as hedging instrument - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Derivative [Line Items]
(Loss) Gain Recognized in OCI	$ (0.9)	$ 5.0	$ 4.8	$ 5.0
Interest and Other Expenses (Income), Net
Derivative [Line Items]
(Loss) Gain Reclassified from AOCI into Income	$ (1.0)	$ 5.4	$ 4.7	$ 5.4