Financial Instruments and Risk Management (Effect of Derivative Instruments on the Consolidated Statements of Operations Derivatives in Fair Value Hedging Relationships) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Derivative Instruments, Gain (Loss) [Line Items]
Derivative financial instruments not designated as hedging instruments	$ 58.1	$ (82.1)	$ 39.3
Other (income) expense, net | Foreign currency option and forward contracts | Not designated as hedging instrument
Derivative Instruments, Gain (Loss) [Line Items]
Derivative financial instruments not designated as hedging instruments	56.3	(82.1)	39.3
Net Investment Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Derivative financial instruments in cash flow hedging relationships	(178.5)	460.1	456.8
Net Investment Hedging | Interest expense | Cross-currency interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Derivative financial instruments in cash flow hedging relationships	$ 1.8	$ 0.0	$ 0.0