Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Condensed Consolidated Statements of Operations [Abstract]
Net revenues	$ 80,088	$ 176,568	$ 237,990	$ 438,619
Cost of revenues	61,957	128,398	181,980	343,738
Gross profit	18,131	48,170	56,010	94,881
Operating expenses:
Research and development	36,607	44,709	107,957	131,426
Selling, general and administrative	16,707	19,459	53,090	61,906
Goodwill impairment				7,851
Restructuring charges	3,496	2,301	8,148	15,166
Total operating expenses	56,810	66,469	169,195	216,349
Loss from operations	(38,679)	(18,299)	(113,185)	(121,468)
Gain on investments		(94)	2,098	(303)
Interest income	34	183	382	681
Gain on acquisition				43,402
Other income, net	401	2,445	5,930	2,797
Loss before provision for income taxes	(38,244)	(15,765)	(104,775)	(74,891)
Provision for income taxes	874	1,749	1,375	219
Net loss	$ (39,118)	$ (17,514)	$ (106,150)	$ (75,110)
Net loss per share - basic and diluted	$ (0.22)	$ (0.10)	$ (0.60)	$ (0.47)
Shares used in computing net loss per share - basic and diluted	178,237	174,553	176,744	159,624