Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 25, 2020	Mar. 27, 2019
Earnings Per Share [Abstract]
Net income	$ 9,013	$ 15,490
Weighted average shares outstanding - basic (in shares)	56,300	61,651
Effect of dilutive share-based compensation awards (in shares)	1,806	2,032
Weighted average shares outstanding - diluted (in shares)	58,106	63,683
Basic net income per share (in dollars per share)	$ 0.16	$ 0.25
Diluted net income per share (in dollars per share)	$ 0.16	$ 0.24
Antidilutive share-based compensation awards (in shares)	1	630