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, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Derivative [Line Items]
Derivative Instrument, Gain (Loss) Reclassified from AOCI into Income, Effective Portion, Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest And Other Non Operating Expenses	Interest And Other Non Operating Expenses	Interest And Other Non Operating Expenses	Interest And Other Non Operating Expenses
(Loss) Gain Reclassified from AOCI into Income	$ 0.1	$ 0.1
Designated as hedging instrument
Derivative [Line Items]
(Loss) Gain Reclassified from AOCI into Income			$ 0.3	$ 0.1
Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
(Loss) Gain Reclassified from AOCI into Income	3.3	8.8	7.4	16.1
Cash flow hedge | Designated as hedging instrument
Derivative [Line Items]
(Loss) Gain Reclassified from AOCI into Income			0.0	(0.6)
Cash flow hedge | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
(Loss) Gain Reclassified from AOCI into Income	(3.3)	(8.4)	(7.4)	(16.1)
Cross-currency swap | Cash flow hedge | Designated as hedging instrument
Derivative [Line Items]
Gain (Loss) Recognized in OCI	0.0	2.2	0.0	4.5
(Loss) Gain Reclassified from AOCI into Income	0.0	2.1	0.0	4.2
Cross-currency swap | Cash flow hedge | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Gain (Loss) Recognized in OCI	(0.5)	1.7	(2.2)	(1.4)
Cross-currency swap | Net Investment Hedging [Member] | Designated as hedging instrument
Derivative [Line Items]
Gain (Loss) Recognized in OCI	6.5	12.2	(10.6)	23.4
Foreign currency forward contracts | Cash flow hedge | Designated as hedging instrument
Derivative [Line Items]
Gain (Loss) Recognized in OCI	0.0	0.1	0.0	(0.2)
(Loss) Gain Reclassified from AOCI into Income	0.0	(0.3)
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	0.0	0.0
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	$ 2.0