Net Income Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Earnings Per Share, Basic and Diluted [Abstract]
Net income	$ 33,070	$ 78,609
Weighted-average common shares used to calculate basic net income per share (in shares)	281,615	274,936
Convertible notes	0	11
2015 Warrants	12,576	10,668
Stock-based awards	6,843	6,536
Weighted average common shares used to calculate diluted net income per share (in shares)	301,034	292,151
Net income per share - basic (in usd per share)	$ 0.12	$ 0.29
Net income per share - diluted (in usd per share)	$ 0.11	$ 0.27