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

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings.

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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. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Variable interest rate in effect as of the balance sheet date related to the interest rate derivative.

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Amount of gain (loss)recognized in the income statement from the hedging ineffectiveness of a fair value hedge.

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Derivative Financial Instruments (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017	Apr. 01, 2016
Derivative [Line Items]
Derivative assets	$ 14,100,000		$ 14,100,000		$ 8,900,000
Derivative liabilities	200,000		200,000		1,400,000
Gains in AOCI expected to be recognized in earnings over the next twelve months			2,500,000
Not Designated As Hedging Instrument [Member]
Derivative [Line Items]
Derivative assets	0		0		0
Derivative liabilities	0		0		0
Gain (loss) recognized in income for derivative instruments	0	$ 0	$ 0	$ 0
Commodity Price Risk [Member]
Derivative [Line Items]
Maximum length of time hedged in cash flow hedge			24 months
Notional amount	8,000,000		$ 8,000,000		9,200,000
Gain (loss) recognized on hedge ineffective portion	0	$ 0	$ 0	$ 0
Foreign Exchange Contracts, Sales and Purchases [Member]
Derivative [Line Items]
Maximum length of time hedged in cash flow hedge			15 months
Notional amount	$ 13,300,000		$ 13,300,000		$ 18,900,000
Interest Rate Swap Contracts [Member] \| Term Loan B [Member] \| Minimum [Member]
Derivative [Line Items]
LIBOR floor						0.75%