Derivative Financial Instruments - Effects of Derivative Instruments on OCI and Earnings (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Derivative (gain) loss recognized in income, fair value hedges	$ (2.0)	$ (4.5)	$ (3.9)	$ (9.3)
Fair Value Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, forward point components, gain (loss), recognized in earnings	1.7	4.5	3.7	9.3
Fair value and net investment hedges, amount of gain (loss) recognized in OCI	(0.7)	4.7	2.9	4.6
Fair value and net investment hedges, amount of (gain) loss reclassified from accumulated OCI into income	(1.3)	(3.0)	(2.6)	(6.3)
Cash Flow Hedges:
Derivative Instruments, Gain (Loss) [Line Items]
Cash flow hedges, amount of gain (loss) recognized in OCI	(0.3)	0.4	0.2	0.8
Cash flow hedges, amount of (gain) loss reclassified from accumulated OCI into income	(0.4)	(0.3)	(0.6)	(0.6)
Net Investment Hedges:
Derivative Instruments, Gain (Loss) [Line Items]
Fair value and net investment hedges, amount of gain (loss) recognized in OCI	0.6	(0.3)	(0.6)	(0.2)
Fair value and net investment hedges, amount of (gain) loss reclassified from accumulated OCI into income	0.0	0.0	0.0	0.0
Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Derivative instruments not designated as hedging instruments, gain (loss), net	0.0	0.2	0.2	0.2
Other expense (income)
Derivative Instruments, Gain (Loss) [Line Items]
Derivative (gain) loss on hedged item, fair value hedges	(1.2)	5.5	15.9	(5.6)
Derivative (gain) loss on derivative designed as hedging instrument, fair value hedges	1.2	(5.5)	(15.9)	5.6
Derivative (gain) loss on amount excluded from effectiveness testing, fair value hedges	(2.0)	(4.5)	(3.9)	(9.3)
Gain (loss) on derivative instruments, net, pretax	(1.3)	(3.0)	(2.6)	(6.3)
Net sales
Derivative Instruments, Gain (Loss) [Line Items]
Cash flow hedges, amount of gain (loss) recognized in OCI		0.3
Cash flow hedges, amount of (gain) loss reclassified from accumulated OCI into income				(0.4)
Gain (loss) on derivative instruments, net, pretax	(0.3)	(0.2)	(0.5)	(0.4)
Cost of goods and services sold
Derivative Instruments, Gain (Loss) [Line Items]
Cash flow hedges, amount of gain (loss) recognized in OCI		0.5
Cash flow hedges, amount of (gain) loss reclassified from accumulated OCI into income				(0.3)
Gain (loss) on derivative instruments, net, pretax	(0.2)	(0.2)	(0.2)	(0.3)
Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instruments, net, pretax	0.1	0.1	0.1	0.1
Foreign currency hedge contracts | Other expense (income) | Fair Value Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Fair value and net investment hedges, amount of gain (loss) recognized in OCI	(0.7)	4.7	2.9	4.6
Fair value and net investment hedges, amount of (gain) loss reclassified from accumulated OCI into income	(1.3)	(3.0)	(2.6)	(6.3)
Foreign currency hedge contracts | Net sales | Cash Flow Hedges:
Derivative Instruments, Gain (Loss) [Line Items]
Cash flow hedges, amount of gain (loss) recognized in OCI	0.4	(0.2)	0.5	0.3
Cash flow hedges, amount of (gain) loss reclassified from accumulated OCI into income	(0.3)	(0.2)	(0.5)	(0.4)
Foreign currency hedge contracts | Cost of goods and services sold | Cash Flow Hedges:
Derivative Instruments, Gain (Loss) [Line Items]
Cash flow hedges, amount of gain (loss) recognized in OCI	(0.7)	0.6	(0.3)	0.5
Cash flow hedges, amount of (gain) loss reclassified from accumulated OCI into income	(0.2)	(0.2)	(0.2)	(0.3)
Forward treasury locks | Interest expense | Cash Flow Hedges:
Derivative Instruments, Gain (Loss) [Line Items]
Cash flow hedges, amount of gain (loss) recognized in OCI	0.0	0.0	0.0	0.0
Cash flow hedges, amount of (gain) loss reclassified from accumulated OCI into income	0.1	0.1	0.1	0.1
Foreign currency-denominated debt | Other expense (income) | Net Investment Hedges:
Derivative Instruments, Gain (Loss) [Line Items]
Fair value and net investment hedges, amount of gain (loss) recognized in OCI	0.0	(0.3)	0.0	(0.2)
Fair value and net investment hedges, amount of (gain) loss reclassified from accumulated OCI into income	0.0	0.0	0.0	0.0
Cross-currency swap | Other expense (income) | Net Investment Hedges:
Derivative Instruments, Gain (Loss) [Line Items]
Fair value and net investment hedges, amount of gain (loss) recognized in OCI	0.6	0.0	(0.6)	0.0
Fair value and net investment hedges, amount of (gain) loss reclassified from accumulated OCI into income	0.0	0.0	0.0	0.0
Commodity call options | Cost of goods and services sold | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Derivative instruments not designated as hedging instruments, gain (loss), net	$ 0.0	$ 0.2	$ 0.2	$ 0.2