Accumulated Other Comprehensive Income (Tables)

6 Months Ended

Jun. 26, 2021

Equity [Abstract]

Schedule Of Accumulated Other Comprehensive Income

	Unrealized Gains (Losses)
	on Available-for-Sale
(amounts in thousands)	Marketable Securities
Accumulated other comprehensive income balance as of December 26, 2020	$	3,286
Other comprehensive loss before reclassifications		(580)
Net current period change in other comprehensive income		(580)
Accumulated other comprehensive income balance as of June 26, 2021	$	2,706

Schedule Of Reclassifications out of Accumulated Other Comprehensive Income

		Amounts Reclassified from
		Accumulated Other Comprehensive Income to the
		Consolidated Statements of Income
		13 Weeks Ended				26 Weeks Ended
(amounts in thousands)	Location	June 26, 2021		June 27, 2020		June 26, 2021		June 27, 2020
Unrealized gains (losses) on available-for-sale marketable securities
	Investment income (loss) and interest expense	$	—	$	8	$	—	$	—
	Provision for income taxes		—		(2)		—		—
Total amount reclassified, net of tax		$	—	$	6	$	—	$	—