CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Apr. 01, 2012
Income Statement [Abstract]
Revenues	$ 568,636	$ 622,424
Cost of revenues	279,132	335,512
Gross profit	289,504	286,912
Research and development	171,305	169,871
Selling, general and administrative	89,495	90,100
Restructuring of operations and other items, net	20,452	15,462
Income from operations	8,252	11,479
Interest income and other, net	7,880	14,656
Income before income taxes	16,132	26,135
Benefit from income taxes	(2,300)	(49,062)
Net income	$ 18,432	$ 75,197
Net income per share:
Basic	$ 0.03	$ 0.13
Diluted	$ 0.03	$ 0.13
Shares used in computing per share amounts:
Basic	550,227	566,709
Diluted	567,092	590,556