Summary of Significant Accounting Policies (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018
Earnings Per Share [Abstract]
Net income	$ 12,791	$ 11,599	$ 46,460	$ 30,306
Basic and diluted weighted average shares outstanding	32,027	31,843	32,006	31,093
Basic and diluted net income per common share	$ 0.40	$ 0.36	$ 1.45	$ 0.97