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Derivatives - Derivatives by Income Statement Location (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Loss (Gain) Reclassified from AOCI, Net of Tax | $ (2.0) | $ 4.5 | $ 3.7
Derivatives designated as investment hedge |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of Gain / (Loss) Recognized in Other Income / Expense | 0.1 | 1.1 | (2.5)
Other income (expense), net | Foreign exchange contracts | Derivatives designated as investment hedge |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of Gain / (Loss) Recognized in Other Income / Expense | 0.1 | 1.1 | (2.5)
Cash Flow Hedging | Derivatives designated as investment hedge |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Unrealized Gain (Loss) Recognized in AOCI on Derivatives, Net of Tax for the Year Ended December 31, | (25.8) | 1.6 | 2.4
Loss (Gain) Reclassified from AOCI, Net of Tax | (2.0) | 4.5 | 3.7
Cash Flow Hedging | Net sales | Foreign exchange contracts | Derivatives designated as cash flow hedge |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Unrealized Gain (Loss) Recognized in AOCI on Derivatives, Net of Tax for the Year Ended December 31, | (5.3) | (0.7) | (1.7)
Loss (Gain) Reclassified from AOCI, Net of Tax | (3.4) | (1.2) | 0.8
Cash Flow Hedging | Other income (expense), net | Foreign exchange contracts | Derivatives designated as cash flow hedge |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Unrealized Gain (Loss) Recognized in AOCI on Derivatives, Net of Tax for the Year Ended December 31, | 1.4 | (2.3) | 0.1
Loss (Gain) Reclassified from AOCI, Net of Tax | 1.4 | (1.9) | 0.1
Cash Flow Hedging | Other income (expense), net | Foreign exchange contracts | Derivatives designated as investment hedge |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Unrealized Gain (Loss) Recognized in AOCI on Derivatives, Net of Tax for the Year Ended December 31, | (14.2) | 0.0 | 0.0
Loss (Gain) Reclassified from AOCI, Net of Tax | 0.0 | 0.0 | 0.0
Cash Flow Hedging | Interest expense | Interest rate contracts | Derivatives designated as cash flow hedge |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Unrealized Gain (Loss) Recognized in AOCI on Derivatives, Net of Tax for the Year Ended December 31, | (7.7) | 4.6 | 4.0
Loss (Gain) Reclassified from AOCI, Net of Tax | $ 0.0 | $ 7.6 | $ 2.8

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959 + Details
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- Definition Amount, before tax and after reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness, attributable to parent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e637-108580 + Details
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