Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2016	Jul. 04, 2015	Jul. 02, 2016	Jul. 04, 2015
Earnings Per Share, Basic and Diluted [Abstract]
Net income	$ 49,335	$ 58,160	$ 99,897	$ 94,419
Weighted-average common shares used to calculate basic net income per share (in shares)	288,191	285,297	292,403	284,910
2015 Warrants	0	20,635	0	19,773
Stock-based awards	7,010	7,733	6,915	8,073
Weighted average common shares used to calculate diluted net income per share (in shares)	295,201	313,665	299,318	312,756
Net income per share - basic (in usd per share)	$ 0.17	$ 0.20	$ 0.34	$ 0.33
Net income per share - diluted (in usd per share)	$ 0.17	$ 0.19	$ 0.33	$ 0.30