Derivative Instruments and Hedging Activities - Risk Management (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Derivative instruments and hedging activities
Fair value, net asset (liability)	$ (49.0)	$ (6.5)
Embedded derivatives in purchase and delivery contracts
Embedded derivatives in purchase and delivery contracts
Notional amount of derivative sale contracts	7.5	12.3
Notional amount of derivative purchase contracts	4.8	6.1
Forward currency and swap agreements
Derivative instruments and hedging activities
Notional Amount	783.3	579.4
Fair value, net asset (liability)	(52.2)	(6.3)
Forward currency contract
Derivative instruments and hedging activities
Notional amount, assets	175.8	66.7
Notional amount, liabilities	102.5	7.7
Not designated as accounting hedges
Assets	2.1	0.9
Liabilities	(0.4)	(0.4)
Fixed price commodity contracts
Derivative instruments and hedging activities
Notional Amount	8.8	5.6
Interest rate cross-currency swap agreements
Derivative instruments and hedging activities
Notional amount, liabilities	505.0	505.0
Designated as accounting hedges
Liabilities	(53.9)	(6.8)
Designated as hedging instrument
Derivative instruments and hedging activities
Fair value, net asset (liability)	(53.9)	(6.8)
Not designated as hedging instruments
Derivative instruments and hedging activities
Fair value, net asset (liability)	$ 4.9	$ 0.3

Aggregate notional amount of derivatives to purchase the underlying asset.

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- Definition

Aggregate notional amount of derivatives to deliver the underlying asset.

+ References

No definition available.

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Nominal or face amount used to calculate payments on the derivative asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
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Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

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Aggregate fair value of all derivative liabilities designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations.

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Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as an asset.

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Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as a liability.

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Nominal or face amount used to calculate payments on the derivative liability.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Nominal or face amount used to calculate payment on derivative.

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