Income Taxes (Schedule Of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	5 Months Ended	7 Months Ended	12 Months Ended
	Dec. 31, 2015	Aug. 14, 2015	Dec. 31, 2016	Dec. 31, 2014
Predecessor [Member]
Tax Credit Carryforward [Line Items]
U.S. income taxes, Current	$ (52)	$ (20)		$ (1,261)
U.S. income taxes, Deferred	686	403		(537)
U.S. income taxes, Total	634	383		(1,798)
Non-U.S. income taxes, Current	1,566	5,547		11,474
Non-U.S. income taxes, Deferred	4,682	522		(15,466)
Non-U.S. income taxes, Total	6,248	6,069		(3,992)
Total income tax (benefit) expense	6,882	$ 6,452	$ (7,552)	$ (5,790)
Successor [Member]
Tax Credit Carryforward [Line Items]
U.S. income taxes, Current			(878)
U.S. income taxes, Deferred			1,152
U.S. income taxes, Total			274
Non-U.S. income taxes, Current			5,389
Non-U.S. income taxes, Deferred			(13,215)
Non-U.S. income taxes, Total			(7,826)
Total income tax (benefit) expense	$ 6,882		$ (7,552)