Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2018

Marketable Securities [Abstract]

Schedule Of Marketable Securities

Marketable securities, as of June 30, 2018and December 30, 2017, consisted of:

			Gross		Gross
(dollars in thousands)	Amortized		Unrealized		Unrealized		Fair
June 30, 2018	Cost		Holding Gains		Holding Losses		Value
Available-for-sale:
Level 1
Equity securities	$	1,198	$	6,396	$	-	$	7,594
Level 2
Municipal bonds		51,161		274		(295)		51,140
	$	52,359	$	6,670	$	(295)	$	58,734

			Gross		Gross
(dollars in thousands)	Amortized		Unrealized		Unrealized		Fair
December 30, 2017	Cost		Holding Gains		Holding Losses		Value
Available-for-sale:
Level 1
Equity securities	$	1,198	$	7,634	$	-	$	8,832
Level 2
Municipal bonds		54,278		671		(116)		54,833
	$	55,476	$	8,305	$	(116)	$	63,665

Schedule Of Maturities Of Marketable Securities

Maturities of marketable securities classified as available-for-sale at June 30, 2018, were as follows:

		Amortized		Fair
(dollars in thousands)		Cost		Value
Available-for-sale:
Due within one year	$	11,960	$	11,973
Due after one year through five years		22,477		22,583
Due after five years through ten years		16,724		16,584
Equity securities		1,198		7,594
	$	52,359	$	58,734