Derivative Instruments and Hedging Activities (Details 2) - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Designated as Hedging Instrument [Member] \| Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Current	$ 0.3	$ 3.4
Derivative Asset, Noncurrent	0.2	1.0
Derivative Liability, Current	(14.2)	(4.7)
Derivative Liability, Noncurrent	(2.9)	(1.2)
Designated as Hedging Instrument [Member] \| Foreign Exchange Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Current	0.2	0.0
Derivative Asset, Noncurrent	0.3	0.4
Derivative Liability, Current	(0.6)	(1.2)
Derivative Liability, Noncurrent	(0.5)	(1.5)
Not Designated as Hedging Instrument [Member] \| Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Current	36.1	9.6
Derivative Asset, Noncurrent	10.3	1.9
Derivative Liability, Current	0.0	(1.2)
Derivative Liability, Noncurrent	0.0	(0.4)
Not Designated as Hedging Instrument [Member] \| Foreign Exchange Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Current	$ 0.0	$ 0.1

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

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