Marketable Securities (Tables)

3 Months Ended

Mar. 27, 2021

Marketable Securities [Abstract]

Schedule Of Marketable Securities

Marketable securities, as of March 27, 2021 and December 26, 2020, consisted of:

			Gross		Gross
(dollars in thousands)	Amortized		Unrealized		Unrealized		Fair
March 27, 2021	Cost		Holding Gains		Holding Losses		Value
Available-for-sale:
Level 1
Equity securities							$	7,648
Level 2
Corporate and municipal bonds	$	103,575	$	4,878	$	(1,374)		107,079
	$	103,575	$	4,878	$	(1,374)	$	114,727

			Gross		Gross
(dollars in thousands)	Amortized		Unrealized		Unrealized		Fair
December 26, 2020	Cost		Holding Gains		Holding Losses		Value
Available-for-sale:
Level 1
Equity securities							$	7,410
Level 2
Corporate and municipal bonds	$	99,861	$	5,723	$	(1,139)		104,445
	$	99,861	$	5,723	$	(1,139)	$	111,855

Schedule Of Maturities Of Marketable Securities

Maturities of marketable securities classified as available-for-sale at March 27, 2021, were as follows:
‎

		Amortized		Fair
(dollars in thousands)		Cost		Value
Available-for-sale:
Due within one year	$	6,631	$	6,675
Due after one year through five years		44,550		46,223
Due after five years through ten years		52,394		54,181
	$	103,575	$	107,079