Marketable Securities (Tables)

12 Months Ended

Dec. 28, 2019

Marketable Securities [Abstract]

Schedule Of Marketable Securities

Marketable securities, as of December 28, 2019 and December 29, 2018, consisted of:

			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
Municipal bonds	$	52,264	$	2,091	$	(18)		54,337
	$	52,264	$	2,091	$	(18)	$	63,538

			Gross		Gross
(dollars in thousands)	Amortized		Unrealized		Unrealized		Fair
December 29, 2018	Cost		Holding Gains		Holding Losses		Value
Available-for-sale:
Level 1
Equity securities							$	7,226
Level 2
Municipal bonds	$	46,699	$	426	$	(53)		47,072
	$	46,699	$	426	$	(53)	$	54,298

Schedule Of Maturities Of Marketable Securities

Maturities of marketable securities classified as available-for-sale at December 28, 2019, were as follows:

		Amortized		Fair
(dollars in thousands)		Cost		Value
Available-for-sale:
Due within one year	$	4,666	$	4,678
Due after one year through five years		28,773		29,535
Due after five years through ten years		18,825		20,124
	$	52,264	$	54,337