Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 02, 2016	Apr. 04, 2015
Earnings Per Share, Basic and Diluted [Abstract]
Net income	$ 50,562	$ 36,259
Weighted-average common shares used to calculate basic net income per share (in shares)	296,615	284,523
2015 Warrants	0	18,910
Stock-based awards	6,819	8,414
Weighted average common shares used to calculate diluted net income per share (in shares)	303,434	311,847
Net income per share - basic (in usd per share)	$ 0.17	$ 0.13
Net income per share - diluted (in usd per share)	$ 0.17	$ 0.12