Net Income Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Earnings Per Share, Basic and Diluted [Abstract]
Net income	$ 439,948	$ 72,229	$ 126,538
Weighted average common shares used to calculate basic net income per share	270,479	263,892	260,787
2023 Notes	11	11	11
2015 Warrants	4,237	0	0
Stock-based compensation	5,940	6,913	5,073
Weighted average common shares used to calculate diluted net income per share	280,667	270,816	265,871
Net income per share - basic (in usd per share)	$ 1.63	$ 0.27	$ 0.49
Net income per share - diluted (in usd per share)	$ 1.57	$ 0.27	$ 0.48