Goodwill And Other Intangible Assets (Schedule Of Intangible Assets With Determinable Useful Lives By Major Category) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Aug. 14, 2015	Dec. 31, 2014
Predecessor
Goodwill [Line Items]
Gross Carrying Amount		$ 162,047	$ 162,047
Accumulated Amortization & Impairment		(97,751)	(86,949)
Net Carrying Amount		64,296	75,098
Predecessor | Trade Name
Goodwill [Line Items]
Gross Carrying Amount		7,900	7,900
Accumulated Amortization & Impairment		(5,236)	(4,817)
Net Carrying Amount		2,664	3,083
Predecessor | Technological Know-How
Goodwill [Line Items]
Gross Carrying Amount		43,349	43,349
Accumulated Amortization & Impairment		(28,649)	(24,940)
Net Carrying Amount		14,700	18,409
Predecessor | Customer-Related Intangible
Goodwill [Line Items]
Gross Carrying Amount		110,798	110,798
Accumulated Amortization & Impairment		(63,866)	(57,192)
Net Carrying Amount		$ 46,932	$ 53,606
Successor
Goodwill [Line Items]
Gross Carrying Amount	$ 158,500
Accumulated Amortization & Impairment	(1,369)
Net Carrying Amount	157,131
Successor | Trade Name
Goodwill [Line Items]
Gross Carrying Amount	26,800
Accumulated Amortization & Impairment	(215)
Net Carrying Amount	26,585
Successor | Technological Know-How
Goodwill [Line Items]
Gross Carrying Amount	63,400
Accumulated Amortization & Impairment	(568)
Net Carrying Amount	62,832
Successor | Customer-Related Intangible
Goodwill [Line Items]
Gross Carrying Amount	68,300
Accumulated Amortization & Impairment	(586)
Net Carrying Amount	$ 67,714