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Derivative Financial Instruments - Effects of Derivative Instruments on OCI and Earnings (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
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Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Derivative (gain) loss recognized in income, fair value hedges | $ (0.6) | $ (2.0) | $ (1.2) | $ (3.9)
Not Designated as Hedging Instrument |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Derivative instruments not designated as hedging instruments, gain (loss), net | 0.7 | 0.0 | 1.1 | (0.2)
Fair Value Hedges |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Derivative, forward point components, (gain) loss, recognized in earnings | (0.6) | 1.7 | (1.2) | 3.7
Fair value and net investment hedges, amount of gain (loss) recognized in OCI | 0.2 | (0.7) | (0.4) | 2.9
Fair value and net investment hedges, amount of (gain) loss reclassified from accumulated OCI into income | 0.4 | (1.3) | 0.8 | (2.6)
Cash Flow Hedges: |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Cash flow hedges, amount of gain (loss) recognized in OCI | (1.3) | (0.3) | (3.5) | 0.2
Cash flow hedges, amount of (gain) loss reclassified from accumulated OCI into income | 2.0 | (0.4) | 2.5 | (0.6)
Net Investment Hedges: |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Fair value and net investment hedges, amount of gain (loss) recognized in OCI | 0.4 | 0.6 | 5.4 | (0.6)
Fair value and net investment hedges, amount of (gain) loss reclassified from accumulated OCI into income | 0.0 | 0.0 | 0.0 | 0.0
Other expense (income) |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Derivative (gain) loss on hedged item, fair value hedges | 4.8 | (1.2) | (5.1) | 15.9
Derivative (gain) loss on derivative designed as hedging instrument, fair value hedges | (4.8) | 1.2 | 5.1 | (15.9)
Derivative (gain) loss on amount excluded from effectiveness testing, fair value hedges | (0.6) | (2.0) | (1.2) | (3.9)
Gain (loss) on derivative instruments, net, pretax | 0.4 | (1.3) | 0.8 | (2.6)
Other expense (income) | Commodity call options | Not Designated as Hedging Instrument |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Derivative instruments not designated as hedging instruments, gain (loss), net | 0.7 | 0.0 | 1.1 | (0.2)
Other expense (income) | Fair Value Hedges | Foreign currency hedge contracts |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Fair value and net investment hedges, amount of gain (loss) recognized in OCI | 0.2 | (0.7) | (0.4) | 2.9
Fair value and net investment hedges, amount of (gain) loss reclassified from accumulated OCI into income | 0.4 | (1.3) | 0.8 | (2.6)
Other expense (income) | Net Investment Hedges: | Cross-currency swap |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Fair value and net investment hedges, amount of gain (loss) recognized in OCI | 0.4 | 0.6 | 5.4 | (0.6)
Fair value and net investment hedges, amount of (gain) loss reclassified from accumulated OCI into income | 0.0 |  | 0.0 | 0.0
Net sales |  |  |  |
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 |  |  |  | (0.5)
Gain (loss) on derivative instruments, net, pretax | 0.5 | (0.3) | 0.9 | (0.5)
Net sales | Cash Flow Hedges: | Foreign currency hedge contracts |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Cash flow hedges, amount of gain (loss) recognized in OCI | (0.4) | 0.4 | (0.7) | 0.5
Cash flow hedges, amount of (gain) loss reclassified from accumulated OCI into income | 0.5 | (0.3) | 0.9 | (0.5)
Cost of goods and services sold |  |  |  |
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 |  |  |  | (0.2)
Gain (loss) on derivative instruments, net, pretax | 1.5 | (0.2) | 1.5 | (0.2)
Cost of goods and services sold | Cash Flow Hedges: | Foreign currency hedge contracts |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Cash flow hedges, amount of gain (loss) recognized in OCI | (0.9) | (0.7) | (2.8) | (0.3)
Cash flow hedges, amount of (gain) loss reclassified from accumulated OCI into income | 1.5 | (0.2) | 1.5 | (0.2)
Interest expense |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (loss) on derivative instruments, net, pretax | 0.0 | 0.1 | 0.1 | 0.1
Interest expense | Cash Flow Hedges: | Forward treasury locks |  |  |  |
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 | $ 0.0 | $ 0.1 | $ 0.1 | $ 0.1

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- Definition Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=121577467&loc=d3e76258-113986 + Details
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- Definition Amount of gain (loss) from excluded component of derivative hedge, recognized in earnings. Excludes recognition under systematic and rational method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 20 -Section 45 -Paragraph 1A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121577181&loc=SL110061172-113977 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 + Details
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