Consolidated Statements of Equity (USD $) In Thousands, unless otherwise specified		Total	Treasury Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]		Non-controlling Interests [Member]
Beginning balance at Dec. 31, 2008		$ 345,724	$ (197,524)	$ 52,323	$ 178,420	$ 401,186	$ (98,436)	[1]	$ 9,755
Beginning balance, shares at Dec. 31, 2008			8,432
Net income (loss)		(40,365)				(42,916)			2,551
Other comprehensive income (loss), net of tax:
Foreign currency translation		14,248					14,250	[1]	(2)
Postretirement benefit liabilities		21,387					21,387	[1]
Raw material commodity swaps		579					579	[1]
Interest rate swaps		2,073					2,073	[1]
Total comprehensive income (loss)		(2,078)
Issuance of common stock		215,655		41,113	174,542
Cash dividends:
Common	[2]	(437)				(437)
Preferred	[2]	(705)				(705)
Stock-based compensation transactions, shares			(1,057)
Stock-based compensation transactions		4,371	25,975		(21,586)
Distributions to noncontrolling interests		(2,035)							(2,035)
Ending balance at Dec. 31, 2009		560,495	(171,567)	93,436	331,376	357,128	(60,147)	[1]	10,269
Ending balance, shares at Dec. 31, 2009			7,375
Net income (loss)		7,273				5,696			1,577
Other comprehensive income (loss), net of tax:
Foreign currency translation		(1,971)					(2,141)	[1]	170
Postretirement benefit liabilities		5,318					5,325	[1]	(7)
Raw material commodity swaps		(107)					(107)	[1]
Interest rate swaps		6,121					6,121	[1]
Total comprehensive income (loss)		16,634
Cash dividends:
Preferred	[2]	(660)				(660)
Redemption of Convertible Notes		(4,925)			(4,925)
Stock-based compensation transactions, shares			(133)
Stock-based compensation transactions		3,874	7,310		(3,436)
Distributions to noncontrolling interests		(1,238)							(1,238)
Ending balance at Dec. 31, 2010		574,180	(164,257)	93,436	323,015	362,164	(50,949)	[1]	10,771
Ending balance, shares at Dec. 31, 2010			7,242
Net income (loss)		32,367				31,637			730
Other comprehensive income (loss), net of tax:
Foreign currency translation		(3,473)					(3,735)	[1]	262
Postretirement benefit liabilities		(27,453)					(27,391)	[1]	(62)
Total comprehensive income (loss)		1,441
Cash dividends:
Preferred	[2]	(165)				(165)
Stock-based compensation transactions, shares			(377)
Stock-based compensation transactions		8,507	10,640		(2,133)
Distributions to noncontrolling interests		(1,469)							(1,469)
Ending balance at Dec. 31, 2011		$ 582,494	$ (153,617)	$ 93,436	$ 320,882	$ 393,636	$ (82,075)	[1]	$ 10,232
Ending balance, shares at Dec. 31, 2011			6,865

[1] (a) Accumulated translation adjustments were $20,394, $24,129, and $26,270, accumulated postretirement benefit liability adjustments were $(102,417), $(75,026), and $(80,351), accumulated raw material commodity swap adjustments were $-0-, $-0-, and $108, and accumulated interest rate swap adjustments were $-0-, $-0-, and $(6,122), at December 31, 2011, 2010, and 2009, respectively, all net of tax.

[2] (b) Dividends per share of common stock were $-0- in 2011, $-0- in 2010, and $0.01 in 2009. Dividends per share of convertible preferred stock were $0.8125 in 2011, $3.25 in 2010, and $3.25 in 2009.