Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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Goodwill And Other Intangible Assets (Schedule Of Changes In The Carrying Value Of Goodwill) (Details) - USD ($) $ in Thousands	3 Months Ended		5 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Goodwill [Roll Forward]
Beginning Balance	$ 172,059
Ending Balance	173,117		$ 172,059
Predecessor
Goodwill [Roll Forward]
Beginning Balance		$ 420,129	384,132
Adjustments		(616)
Successor
Goodwill [Roll Forward]
Beginning Balance	172,059
Adjustments	1,058		1,641
Ending Balance	$ 173,117		$ 172,059
Needle Coke [Member]
Goodwill [Roll Forward]
Impairment		$ (35,381)