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Financial Instruments (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Foreign Exchange Forward [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | $ 395.9 | $ 332.5
Foreign Exchange Option [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | 0.0 | 17.8
Foreign Exchange Contracts [Member] |  |
Derivative [Line Items] |  |
Cash Flow Hedge Gain (Loss) to be Reclassified Within Twelve Months | 8.2 |
Forward-Starting Interest Rate Swap [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | 0.0 |
Cash Flow Hedge Gain (Loss) to be Reclassified Within Twelve Months | (0.6) |
Amount of Gain (Loss) Estimated to be Reclassified From Accumulated Other Comprehensive Loss to Cost of Sales or Interest Expense | 1.4 | $ (2.0)
Debentures Due 2023 [Member] |  |
Derivative [Line Items] |  |
Amount of Gain (Loss) Estimated to be Reclassified From Accumulated Other Comprehensive Loss to Cost of Sales or Interest Expense | 2.5 |
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net | 0.7 |
Commodity Contracts [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | 10.0 |
Cash Flow Hedge Gain (Loss) to be Reclassified Within Twelve Months | 0.1 |
Interest Rate Swap [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | $ 0.0 |
Minimum [Member] |  |
Derivative [Line Items] |  |
Term of Derivative Instruments (in Months) |  | 1 month
Maximum [Member] |  |
Derivative [Line Items] |  |
Term of Derivative Instruments (in Months) |  | 18 months

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- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121549185&loc=d3e80748-113994 + Details
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- Definition The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121549185&loc=d3e80845-113994 + Details
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