Earnings Per Share - Schedule of Computation of Basic and Diluted Earnings per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 26, 2021	Jun. 27, 2020	Jun. 26, 2021	Jun. 27, 2020
Numerator
Net income	$ 31,618	$ 13,885	$ 64,348	$ 36,660
Denominator:
Weighted average basic shares outstanding	31,942	32,269	31,995	32,312
Effect of stock-based compensation awards	147	69	141	76
Weighted average diluted shares outstanding	32,089	32,338	32,136	32,388
Earnings Per Share:
Basic	$ 0.99	$ 0.43	$ 2.01	$ 1.13
Diluted	$ 0.99	$ 0.43	$ 2.00	$ 1.13