Goodwill And Other Intangible Assets (Schedule Of Changes In The Carrying Value Of Goodwill) (Details) - USD ($) $ in Thousands	2 Months Ended	7 Months Ended	12 Months Ended
	Sep. 30, 2015	Aug. 14, 2015	Dec. 31, 2014
Goodwill [Roll Forward]
Balance as of December 31, 2014		$ 420,129
Balance as of August 14, 2015	$ 170,021		$ 420,129
Predecessor
Goodwill [Roll Forward]
Balance as of December 31, 2014	384,132	420,129	496,810
Impairment		(35,381)	(76,063)
Currency translation effect		(616)	(618)
Balance as of August 14, 2015		$ 384,132	$ 420,129
Successor
Goodwill [Roll Forward]
Currency translation effect	(397)
Balance as of August 14, 2015	$ 170,021