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Revenue From Contracts with Customers (Tables)

3 Months Ended

Mar. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table provides information about disaggregated revenue by type of product and contract for the three months ended March 31, 2019 and 2018:

	For the Three Months Ended March 31, 2019				For the Three Months Ended March 31, 2018
	(Dollars in thousands)
Graphite Electrodes - Three-to-five-year take-or-pay contracts	$	396,040			$	272,201
Graphite Electrodes - Short-term agreements and spot sales	47,296				143,710
By-products and other	31,658				35,988
Total Revenues	$	474,994			$	451,899

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction

The following table presents estimated revenues expected to be recognized in the future related to performance obligations that are unsatisfied (or partially unsatisfied) at the end of the reporting period (in thousands). The estimated revenues do not include contracts with original duration of one year or less.

	Three-to-five-year take-or-pay contracts
	(dollars in thousands)
Remainder of 2019	1,066,322
2020	1,392,966
2021	1,237,952
2022	1,172,028
Thereafter	29,461
Total	$	4,898,729

X

- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045

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- References

No definition available.

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X

- Definition

Tabular disclosure of expected timing for satisfying remaining performance obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130556-203045

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