Stockholders' Equity (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 01, 2021	Oct. 02, 2020	Jul. 03, 2020	Apr. 03, 2020	Jan. 03, 2020	Sep. 27, 2019	Jun. 28, 2019	Mar. 29, 2019	Jan. 01, 2021	Jan. 03, 2020
Stockholders Equity Note [Abstract]
Dividends Per Share	$ 0.190	$ 0.190	$ 0.190	$ 0.190	$ 0.160	$ 0.160	$ 0.160	$ 0.160
Amount	$ 9,839	$ 9,808	$ 9,801	$ 9,913	$ 8,280	$ 8,323	$ 8,306	$ 8,240	$ 39,361	$ 33,149