Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Income Statement [Abstract]
Net revenue	$ 347,816	$ 368,200	$ 676,959	$ 726,037
Operating expenses
Cost of revenue	199,891	206,313	397,729	411,783
Research and development	67,362	66,392	135,670	132,681
Selling, general and administrative	58,912	70,990	122,489	140,845
Acquisition-related charges	1,759	1,956	4,014	3,912
Restructuring charges	(582)	(14,354)	(43,396)	(14,354)
Recovery of receivables from foundry suppliers	83	0	522	0
Credit from reserved grant income	0	0	0	10,689
Gain on sale of assets	0	0	(4,430)	0
Settlement charges	0	0	21,600	0
Total operating expenses	328,423	360,005	719,946	692,886
Income (loss) from operations	19,393	8,195	(42,987)	33,151
Interest and other expense, net	(738)	(3,716)	(386)	(3,940)
Income (loss) before income taxes	18,655	4,479	(43,373)	29,211
(Provision for) benefit from income taxes	(5,679)	(3,725)	8,682	(8,070)
Net income (loss)	$ 12,976	$ 754	$ (34,691)	$ 21,141
Basic net income (loss) per share:
Net income (loss) per share	$ 0.03	$ 0.00	$ (0.08)	$ 0.05
Weighted-average shares used in basic net income (loss) per share calculations	428,239	433,616	428,617	436,941
Diluted net income (loss) per share:
Net income (loss) per share	$ 0.03	$ 0.00	$ (0.08)	$ 0.05
Weighted-average shares used in diluted net income (loss) per share calculations	430,536	436,851	428,617	440,919