Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014
Earnings Per Share, Basic and Diluted [Abstract]
Net income	$ 58,160	$ 23,263	$ 94,419	$ 56,333
Weighted-average common shares used to calculate basic net income per share (in shares)	285,297	283,344	284,910	282,480
2015 Warrants	20,635	15,054	19,773	13,815
Stock-based awards	7,733	7,357	8,073	7,100
Weighted average common shares used to calculate diluted net income per share (in shares)	313,665	305,755	312,756	303,395
Net income per share - basic (in usd per share)	$ 0.20	$ 0.08	$ 0.33	$ 0.20
Net income per share - diluted (in usd per share)	$ 0.19	$ 0.08	$ 0.30	$ 0.19