Consolidated Statements of Stockholders' Equity (USD $) In Thousands	Total	Common Stock	Capital in Excess of Par Value	Treasury Stock	Accumulated Other Comprehensive Loss	Retained Deficit
Beginning balance at Dec. 31, 2008		$ 895	$ 1,785,462	$ (50,081)	$ (14,932)	$ (796,029)
Beginning balance, shares at Dec. 31, 2008		89,459	0	(1,483)	0	0
Issuance of Common Stock, Net		266	122,762
Issuance of Common Stock, Net, shares		26,569
Compensation Expense Recognized			8,257
Excess Tax Benefit (Deficit) From Stock-Based Arrangements, Net			4,571
Other		1	(15)
Other, shares		126
Repurchase of Common Stock				(70)
Repurchase of Common Stock, shares				(21)
Other Comprehensive Income, Net of Taxes	9,159				(9,159)
Net Loss	(91,734)					(91,734)
Ending balance at Dec. 31, 2009	978,512	1,162	1,921,037	(50,151)	(5,773)	(887,763)
Ending balance, shares at Dec. 31, 2009	114,650	116,154	0	(1,504)	0	0
Compensation Expense Recognized			4,431
Excess Tax Benefit (Deficit) From Stock-Based Arrangements, Net			(826)
Other		1	17
Other, shares		182
Repurchase of Common Stock				(182)
Repurchase of Common Stock, shares				(48)
Other Comprehensive Income, Net of Taxes	5,773				(5,773)
Net Loss	(134,594)					(134,594)
Ending balance at Dec. 31, 2010	853,132	1,163	1,924,659	(50,333)	0	(1,022,357)
Ending balance, shares at Dec. 31, 2010	114,784	116,336	0	(1,552)	0	0
Issuance of Common Stock, Net		223	126,562
Issuance of Common Stock, Net, shares		22,321
Compensation Expense Recognized			5,283
Excess Tax Benefit (Deficit) From Stock-Based Arrangements, Net			(321)
Other		12	1,641
Other, shares		1,141
Repurchase of Common Stock				(1,851)
Repurchase of Common Stock, shares				(347)
Net Loss	(76,128)					(76,128)
Ending balance at Dec. 31, 2011	$ 908,553	$ 1,398	$ 2,057,824	$ (52,184)	$ 0	$ (1,098,485)
Ending balance, shares at Dec. 31, 2011	137,899	139,798	0	(1,899)	0	0