Net Income Per Common Share - Calculation of EPS and Reconciliation of Weighted Average Common Shares Used in Calculation of Basic and Diluted EPS (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 04, 2020	Mar. 30, 2019
Earnings Per Share [Abstract]
Net income	$ 15,600	$ 8,257
Weighted-average common shares - Basic	58,668	58,134
Add: Dilutive effect of stock compensation plans	453	1,086
Weighted-average common shares - Diluted	59,121	59,220
Net income per common share:
Basic	$ 0.27	$ 0.14
Diluted	$ 0.26	$ 0.14