Net Income Per Share (Details) (USD $) In Thousands, except Per Share data, 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
Numerator for basic net income per share:
Net income	$ 281,223	$ 233,253	$ 248,390	$ 224,124	$ 485,465	$ 322,092	$ 257,894	$ 234,691	$ 986,990	$ 1,300,142	$ 415,310
Denominator for basic net income per share:
Weighted average common shares outstanding									239,484	232,531	227,435
Basic net income per share	$ 1.16	$ 0.97	$ 1.04	$ 0.94	$ 2.06	$ 1.38	$ 1.11	$ 1.02	$ 4.12	$ 5.59	$ 1.83
Numerator for diluted net income per share:
Net income	281,223	233,253	248,390	224,124	485,465	322,092	257,894	234,691	986,990	1,300,142	415,310
Interest on the 1% Convertible Notes due 2035, net of tax									0	98	468
Net income for diluted net income per share									$ 986,990	$ 1,300,240	$ 415,778
Denominator for diluted net income per share:
Weighted average common shares outstanding									239,484	232,531	227,435
Incremental common shares attributable to exercise of outstanding employee stock options, SARs and warrants (assuming proceeds would be used to purchase common stock), and RSUs									5,069	5,977	2,512
Effect of dilutive 1% Convertible Notes due 2035									0	393	2,012
Shares used in computing diluted net income per share									244,553	238,901	231,959
Diluted net income per share	$ 1.14	$ 0.96	$ 1.02	$ 0.92	$ 2.01	$ 1.34	$ 1.08	$ 0.99	$ 4.04	$ 5.44	$ 1.79
Anti-dilutive shares excluded from net income per share calculation									68,079	75,079	47,911