Computation of Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2021	Oct. 02, 2020	Oct. 01, 2021	Oct. 02, 2020
Earnings Per Share Reconciliation [Abstract]
Earnings from continuing operations	$ 14,667	$ (38,507)	$ 34,507	$ (39,014)
Earnings from discontinued operations, net of tax	0	0	0	692
Net earnings (loss)	$ 14,667	$ (38,507)	$ 34,507	$ (38,322)
Basic:
Weighted average number of shares outstanding (in shares)	27,882	27,687	27,855	27,718
Basic earnings per share from continuing operations	$ 0.53	$ (1.39)	$ 1.24	$ (1.41)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share	0.00	0.00	0.00	0.03
Basic earnings per share (in usd per share)	$ 0.53	$ (1.39)	$ 1.24	$ (1.38)
Diluted:
Weighted average shares issuable on exercise of dilutive stock options (in shares)	6	0	34	0
Diluted (in shares)	27,888	27,687	27,889	27,718
Diluted earnings per share from continuing operations	$ 0.53	$ (1.39)	$ 1.24	$ (1.41)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share	0.00	0.00	0.00	0.03
Diluted earnings per share (in usd per share)	$ 0.53	$ (1.39)	$ 1.24	$ (1.38)