Financial Instruments (Notional Amounts And Fair Values Of Derivatives Designated As Cash Flow Hedges And Derivatives Not Designated As Cash Flow Hedges) (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Derivatives, Fair Value [Line Items]
Fair Value, Asset	$ 9.3	$ 0.9
Fair Value, Liability	2.9	12.3
Commodity Futures [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	142.5	133.5
Fair Value, Asset	9.2	0.3
Fair Value, Liability	1.8	9.9
Foreign Currency Exchange [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	30.7	88.1
Fair Value, Asset	0.1	0.6
Fair Value, Liability	$ 1.1	$ 2.4

Notional amount of hedge instruments not designed as cash flow hedge.

No definition available.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624163-113959

+ Details

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- Definition

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

+ References

+ Details

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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.

+ Details

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- Details

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- Details

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