Earnings Per Share (EPS) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Apr. 03, 2020	Mar. 29, 2019
Earnings Per Share [Abstract]
Income from continuing operations	$ 31,100	$ 21,366
Income from discontinued operations	0	303
Net income	$ 31,100	$ 21,669
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Basic (in shares)	32,807,000	32,536,000
Stock options, restricted stock and restricted stock units (in shares)	310,000	444,000
Denominator for diluted EPS (in shares)	33,117,000	32,980,000
Basic earnings per share:
Income from continuing operations (in dollars per share)	$ 0.95	$ 0.66
Loss from discontinued operations (in dollars per share)	0	0.01
Basic (in dollars per share)	0.95	0.67
Diluted earnings per share:
Income from continuing operations (in dollars per share)	0.94	0.65
Loss from discontinued operations (in dollars per share)	0	0.01
Diluted (in dollars per share)	$ 0.94	$ 0.66
Anitdilutive Securities Excluded From Earnings Per Share [Abstract]
Time-vested stock options, RSAs and RSUs	101,000	61,000
Performance-vested restricted stock and PRSUs	24,000	45,000