Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Oct. 01, 2016	Oct. 03, 2015
Earnings Per Share, Basic and Diluted [Abstract]
Net income	$ 64,712	$ 77,624	$ 164,609	$ 172,043
Weighted-average common shares used to calculate basic net income per share (in shares)	280,622	284,818	288,476	284,880
2015 Warrants	0	20,548	0	20,031
Stock-based awards	6,851	7,820	6,893	7,988
Weighted average common shares used to calculate diluted net income per share (in shares)	287,473	313,186	295,369	312,899
Net income per share - basic (in usd per share)	$ 0.23	$ 0.27	$ 0.57	$ 0.60
Net income per share - diluted (in usd per share)	$ 0.23	$ 0.25	$ 0.56	$ 0.55