Stockholders' Equity and Stock-Based Compensation - Share Repurchases (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 26, 2015	Dec. 31, 2016
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Number of shares of common stock repurchased	1,065,848	111,050
Weighted average price per share	$ 25.33	$ 15.49
Total cost of repurchase	$ 26,999	$ 1,721
Amount available for repurchase at end of period	$ 23,001	$ 4,397	$ 4,400