Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Oct. 01, 2010	Sep. 30, 2011	Oct. 01, 2010
Net sales	$ 522,474	$ 527,453	$ 1,606,671	$ 1,399,048
Cost of sales	166,938	157,899	473,565	405,646
Gross margin	355,536	369,554	1,133,106	993,402
Research and development expense	80,771	67,896	235,438	197,861
Selling, general, and administrative expense	69,345	63,473	208,550	190,421
Compensation (benefit) expense - deferred compensation plan	(6,642)	4,699	(4,926)	3,285
Loss (gain) on deferred compensation plan securities	6,642	(4,699)	4,926	(3,285)
Interest income and other	(663)	(1,092)	(2,505)	(2,394)
Interest expense	806	1,098	2,717	3,492
Income before income taxes	205,277	238,179	688,906	604,022
Income tax expense	19,873	20,688	64,806	52,751
Net Income	$ 185,404	$ 217,491	$ 624,100	$ 551,271
Net income per share:
Basic	$ 0.58	$ 0.7	$ 1.94	$ 1.81
Diluted	$ 0.57	$ 0.69	$ 1.9	$ 1.78
Shares used in computing per share amounts:
Basic	321,745	309,766	322,012	304,267
Diluted	327,044	317,069	328,264	310,367
Cash dividends per common share	$ 0.08	$ 0.06	$ 0.2	$ 0.16