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Derivative Instruments (Narrative) (Details) - USD ($)	3 Months Ended	6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Derivative
Derivative Instruments in Hedges, Net Investment in Foreign Operations, Assets, Fair Value, Net		$ 9,700,000
Loss on ineffective hedge	$ 2,100,000	(200,000.0)	$ 1,400,000
Amount of derivaitve cash flow hedge to be repcognized in the next 12 months		9,600,000	$ 2,800,000
Foreign currency derivatives
Derivative
Derivative, Notional Amount		70,100,000		$ 19,600,000
Commodity derivative contracts
Derivative
Derivative, Notional Amount		122,400,000		142,100,000
Unrealized (loss) gain in other comprehensive income		$ 14,200,000		$ 10,700,000

X

- Definition

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

+ References

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

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
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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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No definition available.

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- Definition

Amount of gain (loss) from the ineffectiveness of the hedge.

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-Topic 815
-SubTopic 25
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- Definition

Net fair value of all derivatives designated as hedges of net investment in foreign operations.

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- Definition

Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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