Net Income Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012
Numerator for basic net income per share:
Net income	$ 276,859	$ 76,507	$ 704,877	$ 203,861
Denominator for basic net income per share:
Weighted average common shares outstanding	230,253	241,694	238,097	242,284
Basic net income per share	$ 1.20	$ 0.32	$ 2.96	$ 0.84
Numerator for diluted net income per share:
Net income	$ 276,859	$ 76,507	$ 704,877	$ 203,861
Denominator for diluted net income per share:
Weighted average common shares outstanding	230,253	241,694	238,097	242,284
Incremental common shares attributable to exercise of outstanding employee stock options, SARs and ESPP (assuming proceeds would be used to purchase common stock), and RSUs	2,640	2,527	3,063	3,218
1.5% Notes due 2017	2,139	0	1,110	0
Shares used in computing diluted net income per share	235,032	244,221	242,270	245,502
Diluted net income per share	$ 1.18	$ 0.31	$ 2.91	$ 0.83
Antidilutive Shares
Anti-dilutive shares excluded from net income per share calculation	20,906	71,653	22,831	70,322