Marketable Securities (Tables)

12 Months Ended

Dec. 26, 2020

Marketable Securities [Abstract]

Schedule Of Marketable Securities

Marketable securities, as of December 26, 2020 and December 28, 2019, consisted of:

			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

			Gross		Gross
(dollars in thousands)	Amortized		Unrealized		Unrealized		Fair
December 28, 2019	Cost		Holding Gains		Holding Losses		Value
Available-for-sale:
Level 1
Equity securities							$	9,201
Level 2
Corporate and municipal bonds	$	52,264	$	2,091	$	(18)		54,337
	$	52,264	$	2,091	$	(18)	$	63,538

Schedule Of Maturities Of Marketable Securities

Maturities of marketable securities classified as available-for-sale at December 26, 2020, were as follows:

		Amortized		Fair
(dollars in thousands)		Cost		Value
Available-for-sale:
Due within one year	$	9,146	$	9,233
Due after one year through five years		44,030		45,788
Due after five years through ten years		46,685		49,424
	$	99,861	$	104,445