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		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Derivative [Line Items]
Gain (Loss) Reclassified from AOCL into Income	$ 0.1	$ 0.1	$ 0.2	$ 0.2
Cross-currency swap | Cash flow hedge | Nondesignated [Member]
Derivative [Line Items]
Gain (Loss) Recognized in OCI	0.6	1.4	(0.2)	0.5
Gain (Loss) Reclassified from AOCL into Income	7.8	3.5	2.0	(11.9)
Cross-currency swap | Net Investment Hedging [Member] | Designated as hedging instrument
Derivative [Line Items]
Gain (Loss) Recognized in OCI	56.9	2.6	67.4	(28.7)
Intercompany CHF note [Member] | Cash flow hedge | Nondesignated [Member]
Derivative [Line Items]
Gain (Loss) Recognized in OCI	0.0	0.0	0.0	0.0
Gain (Loss) Reclassified from AOCL into Income	(7.8)	(3.5)	(2.0)	11.9
Forward Starting Interest Swap | Cash flow hedge | Designated as hedging instrument
Derivative [Line Items]
Gain (Loss) Recognized in OCI	$ 0.0	$ 0.0	$ 0.0	$ 0.0