Earnings Per Share - Schedule of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 27, 2020	Mar. 28, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 27, 2020	Jun. 30, 2019
Earnings Per Share [Abstract]
Net income	$ 7,424	$ (4,404)	$ 5,526	$ 7,576	$ 3,020	$ 13,102
Basic	48,736		25,032		49,417	24,977
Employee stock options and restricted stock units - dilutive shares	278		218		365	250
Diluted earnings per share - weighted average shares outstanding	49,014		25,250		49,782	25,227
Basic	$ 0.15		$ 0.22		$ 0.06	$ 0.52
Diluted	$ 0.15		$ 0.22		$ 0.06	$ 0.52