This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-SubTopic 20
-Section 25
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=51673353&loc=d3e41242-110953

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 10
-Article 5

Name:	us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Income Taxes (Summary Of Provision For Income Taxes) (Details) - USD ($) $ in Thousands	1 Months Ended	2 Months Ended	3 Months Ended	7 Months Ended	9 Months Ended
	Aug. 14, 2015	Sep. 30, 2015	Sep. 30, 2016	Aug. 14, 2015	Sep. 30, 2016	Sep. 30, 2015
Predecessor
Income Tax Contingency [Line Items]
Tax (benefit) expense	$ 5,234			$ 6,452
Pretax loss	$ (30,097)			$ (95,518)
Effective tax rates	(17.40%)	(25.60%)		(6.80%)
Successor
Income Tax Contingency [Line Items]
Tax (benefit) expense		$ 1,107	$ (1,789)		$ (7,675)
Pretax loss		$ (4,329)	$ (25,890)		$ (87,847)	$ (4,329)
Effective tax rates			6.90%		8.70%	(25.60%)