Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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- Definition

Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (d)
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-Name Accounting Standards Codification
-Topic 220
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
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-Name Accounting Standards Codification
-Topic 815
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 15
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
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-Paragraph 3
-Subparagraph (c)
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Nominal mass used to calculate payments on a derivative instrument.

+ References

No definition available.

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- Definition

The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.13(h))
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-Paragraph 28
-Subparagraph (b)
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Amount of income (expense) related to nonoperating activities, classified as other.

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-Name Accounting Standards Codification
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-Paragraph 2
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- Definition

Fair value as of the balance sheet date of all price risk derivative liabilities designated as cash flow hedging instruments.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
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-Paragraph 4B
-Subparagraph (c)(1)
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Derivative Financial Instruments (Details) lb in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2017 USD ($) lb	Dec. 31, 2016 USD ($) lb	Dec. 31, 2015 USD ($)
Derivative disclosures
Other expense, net	$ 2.0	$ 0.3	$ 10.0
Interest Rate Swap, Through September 2020
Derivative disclosures
Unrealized gain, net of tax, recorded in AOCI related to commodity and FX forward contracts		0.7
Interest Rate Swap, Through September 2020 \| Derivative contracts designated as hedging instruments
Derivative disclosures
Aggregate notional amount		162.6
Short term asset recorded to recognize the fair value of the swaps		3.3
FX Forward Contracts
Derivative disclosures
Aggregate notional amount	9.0	8.8
FX embedded derivatives \| Derivative contracts not designated as hedging instruments
Derivative disclosures
Aggregate notional amount	1.1	0.9
FX forward contracts and FX embedded derivatives
Derivative disclosures
Net loss recorded related to derivatives	0.4	6.3	$ 1.2
Commodity contracts
Derivative disclosures
Unrealized gain, net of tax, recorded in AOCI related to commodity and FX forward contracts	0.8	0.8
Fair value of derivative contract - liability	$ 1.1	$ 1.1
Commodity contracts \| Derivative contracts designated as hedging instruments
Derivative disclosures
Notional amount of commodity contracts \| lb	3.6	4.1
Net Unrealized Losses on Qualifying Cash Flow Hedges \| Amount Reclassified from AOCI \| Interest Rate Swap [Member]
Derivative disclosures
Other expense, net	$ 2.7	$ 0.0