Financial Instruments and Risk Management (Effect of Derivative Instruments on the Consolidated Statements of Comprehensive Earnings Derivatives in Cash Flow Hedging Relationships) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments, Tax	$ 0.0	$ 0.0	$ 7.1
Foreign Exchange Contract | Cash flow hedging relationships | Other income
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments, Tax	$ 0.0	$ 0.0	$ 7.1