Net Income Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Earnings Per Share, Basic and Diluted [Abstract]
Net income	$ 164,243	$ 439,948	$ 72,229
Weighted average common shares used to calculate basic net income per share	277,796	270,479	263,892
2023 Notes	8	11	11
2015 Warrants	10,549	4,237	0
Stock-based compensation	6,211	5,940	6,913
Weighted average common shares used to calculate diluted net income per share	294,564	280,667	270,816
Net income per share - basic (in usd per share)	$ 0.59	$ 1.63	$ 0.27
Net income per share - diluted (in usd per share)	$ 0.56	$ 1.57	$ 0.27