Quarterly Results of Operations - Summary of Quarterly Results of Operations (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 28, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 29, 2018		Sep. 29, 2018		Jun. 30, 2018		Mar. 31, 2018		Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 239,567	$ 253,796	$ 254,175	$ 243,791	$ 260,341	[1]	$ 247,954	[1]	$ 238,147	[1]	$ 227,262	[1]	$ 991,329	$ 973,705	$ 903,221
Income from operations	21,900	26,963	27,223	29,742	44,637	[1]	43,733	[1]	42,780	[1]	39,994	[1]	105,828	171,143	176,240
Net income	$ 17,548	$ 21,308	$ 21,499	$ 23,407	$ 34,599		$ 34,017		$ 34,339		$ 30,647		$ 83,762	$ 133,602	$ 106,599
Diluted earnings per share	$ 0.54	$ 0.65	$ 0.66	$ 0.71	$ 1.05	[1]	$ 1.03	[1]	$ 1.03	[1]	$ 0.93	[1]	$ 2.56	$ 4.02	$ 3.13

[1] Quarterly information does not add to year to date information due to rounding