Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2020	Oct. 01, 2019	Sep. 29, 2020	Oct. 01, 2019
Earnings Per Share [Abstract]
Net (loss) income	$ (127)	$ 4,243	$ (19,440)	$ 2,830
Shares:
Basic weighted average shares outstanding (in shares)	44,358,763	43,990,049	44,238,400	44,007,345
Effect of dilutive securities (in shares)	0	909,127	0	1,071,194
Diluted weighted average number of shares outstanding (in shares)	44,358,763	44,899,176	44,238,400	45,078,539
(Loss) earnings per share:
Basic loss per share (USD per share)	$ 0	$ 0.10	$ (0.44)	$ 0.06
Diluted loss per share (USD per share)	$ 0	$ 0.09	$ (0.44)	$ 0.06
Anti-dilutive securities
Antidilutive securities excluded from computation of earnings per share	3,107,448	1,748,444	3,251,799	1,490,202