Derivatives and Hedging - Summary of the Gains (Losses) Recognized within Earnings Related to Derivative Instruments (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Derivative [Line Items]
Unrealized Gains (Losses) Recognized in Other Comprehensive Income	[1]	$ (6.1)	$ (4.1)	$ 18.3	$ 7.6
Revenue		931.3	806.4	1,832.4	1,598.4
Interest Expense		32.6	19.4	61.3	40.6
Other Income (Expense), Net		(0.9)	(1.1)	(0.2)	(2.5)
Reclassification out of Accumulated Other Comprehensive Income | Net Unrealized Gains (Losses) on Cash Flow Hedges
Derivative [Line Items]
Revenue		(2.3)	1.2	(3.4)	2.0
Interest Expense		(2.0)	1.1	(4.0)	6.2
Other Income (Expense), Net		(15.1)	(22.6)	43.0	(2.4)
Cash Flow Hedging | Designated as Hedging Instrument
Derivative [Line Items]
Unrealized Gains (Losses) Recognized in Other Comprehensive Income		(4.2)	(15.0)	22.8	15.0
Foreign exchange forward contracts | Reclassification out of Accumulated Other Comprehensive Income | Net Unrealized Gains (Losses) on Cash Flow Hedges
Derivative [Line Items]
Revenue		(2.3)	1.2	(3.4)	2.0
Interest Expense		0.0	0.0	0.0	0.0
Other Income (Expense), Net		0.0	0.0	0.0	0.0
Foreign exchange forward contracts | Cash Flow Hedging | Designated as Hedging Instrument
Derivative [Line Items]
Unrealized Gains (Losses) Recognized in Other Comprehensive Income		0.9	(8.0)	3.0	6.3
Cross-currency swap | Reclassification out of Accumulated Other Comprehensive Income | Net Unrealized Gains (Losses) on Cash Flow Hedges
Derivative [Line Items]
Revenue		0.0	0.0	0.0	0.0
Interest Expense		6.7	7.5	13.3	15.1
Other Income (Expense), Net		(15.1)	(22.6)	43.0	(2.4)
Cross-currency swap | Reclassification out of Accumulated Other Comprehensive Income | Net Unrealized Gains (Losses) on Cash Flow Hedges | Euro-Denominated Intercompany Loan
Derivative [Line Items]
Other Income (Expense), Net		14.8	22.4	(43.7)	2.1
Cross-currency swap | Cash Flow Hedging | Designated as Hedging Instrument
Derivative [Line Items]
Unrealized Gains (Losses) Recognized in Other Comprehensive Income		(3.4)	(7.3)	(5.5)	30.4
Interest rate swaps | Reclassification out of Accumulated Other Comprehensive Income | Net Unrealized Gains (Losses) on Cash Flow Hedges
Derivative [Line Items]
Revenue		0.0	0.0	0.0	0.0
Interest Expense		(8.7)	(6.4)	(17.3)	(8.9)
Other Income (Expense), Net		0.0	0.0	0.0	0.0
Interest rate swaps | Cash Flow Hedging | Designated as Hedging Instrument
Derivative [Line Items]
Unrealized Gains (Losses) Recognized in Other Comprehensive Income		$ (1.7)	$ 0.3	$ 25.3	$ (21.7)

[1] The tax effect on our unrealized swap gain (loss) is reflected below: Unrealized swap gain (loss), gross$(5.1)$(7.0)$19.8 $8.7 Income tax effect1.0 (2.9)1.5 1.1 Unrealized swap gain (loss), net of tax effect(6.1)(4.1)18.3 7.6