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
	Mar. 31, 2025	Mar. 31, 2024
Derivative [Line Items]
(Loss) Gain Reclassified from AOCI into Income	$ 0.1	$ 0.1
Cross-currency swap | Cash flow hedge | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Gain (Loss) Recognized in OCI	(0.8)	(0.9)
(Loss) Gain Reclassified from AOCI into Income	(5.8)	(15.4)
Cross-currency swap | Net Investment Hedging [Member] | Designated as hedging instrument
Derivative [Line Items]
Gain (Loss) Recognized in OCI	10.5	(31.3)
Intercompany CHF note [Member] | Cash flow hedge | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Gain (Loss) Recognized in OCI	0.0	0.0
(Loss) Gain Reclassified from AOCI into Income	5.8	15.4
Forward Starting Interest Swap | Cash flow hedge | Designated as hedging instrument
Derivative [Line Items]
Gain (Loss) Recognized in OCI	$ 0.0	$ 0.0