Income Taxes (Reconciliation Of The Beginning And Ending Amount Of Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands	5 Months Ended	7 Months Ended	12 Months Ended
	Dec. 31, 2015	Aug. 14, 2015	Dec. 31, 2014	Dec. 31, 2013
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at December 31	$ 3,900
Predecessor [Member]
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at January 1	3,689	$ 3,710	$ 7,203	$ 9,769
Additions based on tax positions related to the current year			268	881
Additions for tax positions of prior years			232	323
Reductions for tax positions of prior years			(1,204)	(2,779)
Lapse of statutes of limitations			(1,180)	0
Settlements			(1,503)	(988)
Foreign currency impact		21	(106)	(3)
Balance at December 31		$ 3,689	$ 3,710	$ 7,203
Successor [Member]
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Additions for tax positions of prior years	301
Foreign currency impact	69
Balance at December 31	$ 3,921