Share-Based Compensation (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Jan. 01, 2012	Oct. 02, 2011	Jul. 03, 2011	Apr. 03, 2011	Jan. 02, 2011	Oct. 03, 2010	Jul. 04, 2010	Apr. 04, 2010	Jan. 01, 2012	Jan. 02, 2011	Jan. 03, 2010
Share Based Compensation
Share-based compensation expense	$ 18,432	$ 15,729	$ 14,358	$ 14,591	$ 24,799	$ 20,944	$ 14,977	$ 16,870	$ 63,110	$ 77,590	$ 95,560
Total tax benefit recognized									(17,008)	(26,720)	(23,767)
Decrease in net income									46,102	50,870	71,793
Stock options and SARs [Member]
Share Based Compensation
Share-based compensation expense									33,684	55,821	79,859
Restricted Stock units [Member]
Share Based Compensation
Share-based compensation expense									22,355	15,081	11,922
Employee Stock Purchase Plan Shares [Member]
Share Based Compensation
Share-based compensation expense									7,071	6,688	3,779
Cost of product revenues [Member]
Share Based Compensation
Share-based compensation expense									4,674	5,821	12,427
Research and Development [Member]
Share Based Compensation
Share-based compensation expense									34,202	26,292	36,399
Sales and marketing [Member]
Share Based Compensation
Share-based compensation expense									10,593	10,934	19,247
General and administrative [Member]
Share Based Compensation
Share-based compensation expense									$ 13,641	$ 34,543	$ 27,487