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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, 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

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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 Net gain (loss) relating to components of the gain (loss) on the fair value hedging instrument excluded from the assessment of fair value hedge effectiveness. Recognized in earnings. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624171-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=121577467&loc=d3e76258-113986 + Details
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