Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Earnings Per Share, Basic and Diluted [Abstract]
Net Income	$ 120,555	$ 72,885
Weighted average common shares used to calculate basic net income per share	273,066	273,773
Stock-based awards	7,549	7,878
Weighted average common shares used to calculate diluted net income per share	280,615	281,651
Net income per share - basic	$ 0.44	$ 0.27
Net income per share - diluted	$ 0.43	$ 0.26