Earnings Per Share - Schedule of Computation of Basic Earnings per Share and Diluted Earnings per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 26, 2020	Dec. 28, 2019	Dec. 29, 2018
Numerator:
Net income	$ 106,870	$ 83,762	$ 133,602
Denominator:
Weighted average basic shares outstanding	32,280	32,606	33,097
Effect of compensation awards	93	82	110
Weighted average diluted shares outstanding	32,373	32,688	33,207
Earnings Per Share:
Basic	$ 3.31	$ 2.57	$ 4.04
Diluted	$ 3.30	$ 2.56	$ 4.02