Derivative Instruments and Hedging Activities (Details 2) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Derivatives, Fair Value [Line Items]
Derivative, Collateral, Right to Reclaim Cash	$ 0.0
Designated as Hedging Instrument [Member] \| Foreign Exchange Contract [Member] \| Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative assets, current	0.0	$ 0.2
Designated as Hedging Instrument [Member] \| Foreign Exchange Contract [Member] \| Other Noncurrent Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Noncurrent	0.4	1.7
Designated as Hedging Instrument [Member] \| Foreign Exchange Contract [Member] \| Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities, current	(1.2)	(0.2)
Designated as Hedging Instrument [Member] \| Foreign Exchange Contract [Member] \| Other Noncurrent Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities, noncurrent	(1.5)	0.0
Designated as Hedging Instrument [Member] \| Commodity Contract [Member] \| Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative assets, current	3.4	9.0
Designated as Hedging Instrument [Member] \| Commodity Contract [Member] \| Other Noncurrent Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Noncurrent	1.0	2.3
Designated as Hedging Instrument [Member] \| Commodity Contract [Member] \| Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities, current	(4.7)	(4.6)
Designated as Hedging Instrument [Member] \| Commodity Contract [Member] \| Other Noncurrent Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities, noncurrent	(1.2)	(0.5)
Not Designated as Hedging Instrument [Member] \| Foreign Exchange Contract [Member] \| Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative assets, current	0.1	0.0
Not Designated as Hedging Instrument [Member] \| Foreign Exchange Contract [Member] \| Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities, current	0.0	(0.1)
Not Designated as Hedging Instrument [Member] \| Commodity Contract [Member] \| Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative assets, current	9.6	26.2
Not Designated as Hedging Instrument [Member] \| Commodity Contract [Member] \| Other Noncurrent Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Noncurrent	1.9	8.3
Not Designated as Hedging Instrument [Member] \| Commodity Contract [Member] \| Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities, current	(1.2)	(0.3)
Not Designated as Hedging Instrument [Member] \| Commodity Contract [Member] \| Other Noncurrent Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities, noncurrent	$ (0.4)	$ 0.0

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226016-175313

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=d3e41678-113959

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (d)(2)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

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- Definition

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.

+ References

No definition available.

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- Details

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