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Derivative Instruments (Tables)

6 Months Ended

Jun. 30, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

The fair value of all derivatives is recorded as assets or liabilities on a gross basis in our Condensed Consolidated Balance Sheets. As of June 30, 2019 and December 31, 2018, the fair value of our derivatives and their respective balance sheet locations are presented in the following table:

	Asset Derivatives						Liability Derivatives
	Location		Fair  Value				Location		Fair  Value
As of June 30, 2019	(Dollars in thousands)
Derivatives designated as cash flow hedges:
Commodity derivative contracts	Prepaid and other current assets		$	4,812			Other accrued liabilities		$	—
	Other long-term assets		9,428				Other long-term obligations		43
Total fair value			$	14,240					$	43
As of December 31, 2018
Derivatives designated as cash flow hedges:
Commodity derivative contracts	Prepaid and other current assets		$	90			Other accrued liabilities		$	4,630
	Other long-term assets		260				Other long-term obligations		6,393
Total fair value			$	350					$	11,023

	Asset Derivatives						Liability Derivatives
	Location		Fair  Value				Location		Fair  Value
As of June 30, 2019	(Dollars in Thousands)
Derivatives not designated as hedges:
Foreign currency derivatives	Prepaid and other current assets		$	369			Other current liabilities		$	88
As of December 31, 2018
Derivatives not designated as hedges:
Foreign currency derivatives	Prepaid and other current assets		$	—			Other current liabilities		$	43

Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location

				Amount of (Gain)/Loss Recognized
		Location of (Gain)/Loss Recognized in the Consolidated Statement of Operations		For the Three Months Ended June 30,
				2019				2018
Derivatives designated as cash flow hedges:				(Dollars in thousands)
Commodity contract hedges		Cost of sales		$	2,000			—
Derivatives not designated as hedges:
Foreign currency derivatives		Cost of sales, Other (income)/expense		$	144			558
				Amount of (Gain)/Loss Recognized
		Location of (Gain)/Loss Recognized in the Consolidated Statement of Operations		For the Six Months Ended June 30,
				2019				2018
Derivatives designated as cash flow hedges:				(Dollars in thousands)
Commodity contract hedges		Cost of sales		$	3,848			—
Derivatives not designated as hedges:
Foreign currency derivatives		Cost of sales, Other (income)/expense		$	821			(296	)

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- References

No definition available.

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- Definition

Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959

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- Definition

Tabular disclosure of derivative instruments (including nonderivative instruments that are designated and qualify as hedging instruments) of (a) the location and amount of gains and losses reported in the statement of financial performance and (b) the location and fair value amounts of the instruments reported in the statement of financial position.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959

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