Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2014

Segment Reporting Information, Revenue for Reportable Segment [Abstract]

Schedule Of Financial Information Concerning Reportable Segments

The following tables summarize financial information concerning our reportable segments and all prior periods have been recast to reflect our new methodology:

	For the year Ended December 31,
	2012			2013			2014
	(Dollars in thousands)
Net sales to external customers:
Industrial Materials	$	1,025,571		$	909,448		$	840,103
Engineered Solutions	222,693			257,226			245,201
Total net sales	$	1,248,264		$	1,166,674		$	1,085,304
Segment operating income (loss):
Industrial Materials	$	197,335		$	20,007		$	(50,260	)
Engineered Solutions	22,374			28,392			(138,271		)
Corporate, R&D and Other expenses	$	(63,241	)	$	(50,969	)	$	(67,089	)
Total segment operating income (loss)	$	156,468		$	(2,570	)	$	(255,620	)
Reconciliation of segment operating income to income from continuing operations before provision for income taxes
Other expense (income), net	(1,005		)	1,698			2,445
Interest expense	23,247			36,037			37,057
Interest income	(261		)	(203		)	(330		)
Income (loss) before provision for income taxes	$	134,487		$	(40,102	)	$	(294,792	)

Schedule Of Long-Lived Assets By Reportable Segment [Table Text Block]

	At December 31,
	2013		2014
	(Dollars in thousands)
Long-lived assets (a):
Industrial Materials.	$	601,322	$	552,155
Engineered Solutions	219,663		101,885
Total long-lived assets	$	820,985	$	654,040

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

The following tables summarize information as to our operations in different geographic areas.

	For the year Ended December 31,
	2012		2013		2014
	(Dollars in thousands)
Net sales:
U.S.	$	372,014	$	289,866	$	284,209
Americas	195,748		177,602		180,070
Asia Pacific	235,658		220,945		192,230
Europe, Middle East, Africa	444,844		478,261		428,795
Total	$	1,248,264	$	1,166,674	$	1,085,304

Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]

	At December 31,
	2013		2014
	(Dollars in thousands)
Long-lived assets (a):
U.S. and Canada	$	540,274	$	431,601
Mexico	83,428		89,731
Brazil	26,008		9,492
France	61,264		49,602
Spain	82,051		70,648
South Africa	16,408		2,064
Switzerland	4,618		287
Other countries	6,934		615
Total	$	820,985	$	654,040

(a) Long-lived assets represent fixed assets, net of accumulated depreciation.