Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2022	Jun. 26, 2021	Jun. 25, 2022	Jun. 26, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 36,266	$ 33,472	$ 67,655	$ 57,727
Available-for-sale marketable securities
Unrealized holding gains (losses) arising during period (Net of deferred taxes of $822 and $77, respectively for the thirteen weeks ended, and $2,823 and $229, respectively for the twenty-six weeks ended)	(2,073)	195	(7,120)	(580)
Other comprehensive income gain (loss), net of tax	(2,073)	195	(7,120)	(580)
Comprehensive income, net of tax	$ 34,193	$ 33,667	$ 60,535	$ 57,147