Derivatives and Fair Value Measurements - Pre-Tax Gains and Losses on Hedging Derivatives (Details) - Designated as Hedging Instrument - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Total (loss) gain recognized in income	$ (160.3)	$ 16.9	$ 82.6
Gain (loss) realized in income on derivatives	(39.2)	44.3	30.8
Unrealized (loss) gain recognized in income on derivatives	(121.1)	(27.4)	51.8
Foreign currency option contracts
Derivative Instruments, Gain (Loss) [Line Items]
Total (loss) gain recognized in income	(5.7)	12.9	(3.7)
Gain (loss) realized in income on derivatives	1.8	5.8	(4.9)
Unrealized (loss) gain recognized in income on derivatives	(7.5)	7.1	1.2
Derivative contracts related to forecasted sales
Derivative Instruments, Gain (Loss) [Line Items]
Total (loss) gain recognized in income	(160.7)	4.7	86.6
Gain (loss) realized in income on derivatives	(45.6)	34.3	44.4
Unrealized (loss) gain recognized in income on derivatives	(115.1)	(29.6)	42.2
Financial trading contracts
Derivative Instruments, Gain (Loss) [Line Items]
Total (loss) gain recognized in income	6.1	(0.7)	(0.3)
Gain (loss) realized in income on derivatives	4.6	4.2	(8.7)
Unrealized (loss) gain recognized in income on derivatives	$ 1.5	$ (4.9)	$ 8.4