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) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Selling and administrative expenses
Derivative [Line Items]
(Loss) Gain Reclassified from AOCI into Income			$ 0.0	$ 0.0
Cash flow hedge | Designated as hedging instrument | Selling and administrative expenses
Derivative [Line Items]
(Loss) Gain Reclassified from AOCI into Income	$ 0.0	$ 0.0
Cross-currency swap | Cash flow hedge | Designated as hedging instrument
Derivative [Line Items]
Gain (Loss) Recognized in OCI	4.0	(3.2)	(0.9)	1.6
Cross-currency swap | Cash flow hedge | Designated as hedging instrument | Interest and Other Expenses , Net
Derivative [Line Items]
(Loss) Gain Reclassified from AOCI into Income	(3.9)	(3.3)	(0.7)	1.4
Foreign currency forward contracts
Derivative [Line Items]
Gain (Loss) Recognized in OCI			$ (0.2)	$ 0.0
Foreign currency forward contracts | Cash flow hedge | Designated as hedging instrument
Derivative [Line Items]
Gain (Loss) Recognized in OCI	$ (0.2)	$ 0.0