Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014
Earnings Per Share, Basic and Diluted [Abstract]
Net income	$ 77,624	$ 37,535	$ 172,043	$ 93,868
Weighted-average common shares used to calculate basic net income per share (in shares)	284,818	284,462	284,880	283,141
2015 Warrants	20,548	17,580	20,031	15,070
Stock-based awards	7,820	7,953	7,988	7,384
Weighted average common shares used to calculate diluted net income per share (in shares)	313,186	309,995	312,899	305,595
Net income per share - basic (in usd per share)	$ 0.27	$ 0.13	$ 0.60	$ 0.33
Net income per share - diluted (in usd per share)	$ 0.25	$ 0.12	$ 0.55	$ 0.31