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Business Segments and Major Customers (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Financial information of business segments
Revenues	$ 83,359	$ 100,263	$ 66,214	$ 62,527	$ 90,921	$ 31,743	$ 38,862	$ 161,864	$ 312,363	$ 323,390	$ 113,007
Gain from settlement				6,200	10,300	10,300	10,300	95,900	6,200	126,800
Segment direct operating income (loss)									248,009	393,142
Operating income (loss)	(18,134)	10,736	(2,508)	8,370	42,883	(11,494)	(6,673)	202,166	(1,536)	226,882	(75,862)
Interest and other expense, net	(6,274)	(6,178)	(5,989)	(5,824)	(5,182)	(4,641)	(3,424)	(5,591)	(24,265)	(18,838)	(16,865)
Loss before income taxes									(25,801)	208,044
Semiconductor Business Group (SBG)
Financial information of business segments
Revenues									292,074	323,038
Gain from settlement									6,200	126,800
Segment direct operating income (loss)									250,793	402,669
All Other
Financial information of business segments
Revenues									20,289	352
Segment direct operating income (loss)									(2,784)	(9,527)
Reconciling items
Financial information of business segments
Operating income (loss)									$ (249,545)	$ (166,260)

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Total operating income loss for reporting segments.

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The net proceeds or assets obtained in excess of (less than) the net carrying amount of assets recorded, or assets distributed and liabilities assumed less than (in excess of) estimated litigation liability extinguished, in settlement of a litigation matter. Represents (for other than an insurance entity in its normal claims settlement process), the amount of income (expense) recognized in the period to settle pending or threatened litigation and insurance claims.

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-Name Statement of Financial Accounting Standard (FAS)

-Number 5

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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