Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]
Net revenue	$ 374,485	$ 356,268	$ 1,067,380	$ 1,033,227
Cost of revenue	197,642	212,801	589,309	610,530
Research and development	69,917	66,790	209,751	202,460
Selling, general and administrative	65,324	55,793	194,186	178,282
Acquisition-related charges	7,162	1,685	10,287	5,699
Restructuring charges (credits)	840	8,149	(967)	51,545
Recovery of receivables from foundry suppliers	0	0	0	(522)
Gain on sale of assets	0	0	0	(4,430)
Settlement charges	0	0	0	21,600
Total operating expenses	340,885	345,218	1,002,566	1,065,164
Consolidated income (loss) from operations	33,600	11,050	64,814	(31,937)
Interest and other (expense) income, net	(4,731)	1,414	(5,856)	1,028
Income (loss) before income taxes	28,869	12,464	58,958	(30,909)
(Provision for) benefit from income taxes	11,619	7,038	20,306	(1,644)
Net income (loss)	$ 17,250	$ 5,426	$ 38,652	$ (29,265)
Net income (loss) per share	$ 0.04	$ 0.01	$ 0.09	$ (0.07)
Weighted-average shares used in basic net income (loss) per share calculations	418,954	426,621	421,791	427,944
Net income (loss) per share	$ 0.04	$ 0.01	$ 0.09	$ (0.07)
Weighted-average shares used in diluted net income (loss) per share calculations	420,964	429,639	423,700	427,944