Marketable Securities (Tables)

6 Months Ended

Jun. 28, 2014

Marketable Securities [Abstract]

Marketable securities [Table Text Block]

Marketable securities, as of June 28, 2014 and December 28, 2013, consisted of:

			Gross		Gross
(dollars in thousands)	Amortized		Unrealized		Unrealized		Fair
June 28, 2014	Cost		Holding Gains		Holding Losses		Value
Available-for-sale:
Level 1
Equity securities	$	1,198	$	6,934	$	-	$	8,132
Level 2
Municipal bonds		55,282		1,803		(104)		56,981
	$	56,480	$	8,737	$	(104)	$	65,113

			Gross		Gross
(dollars in thousands)	Amortized		Unrealized		Unrealized		Fair
December 28, 2013	Cost		Holding Gains		Holding Losses		Value
Available-for-sale:
Level 1
Equity securities	$	970	$	7,239	$	-	$	8,209
Level 2
Municipal bonds		55,431		686		(1,233)		54,884
	$	56,401	$	7,925	$	(1,233)	$	63,093

Maturities of marketable securities classified as available-for-sale [Table Text Block]

Maturities of marketable securities classified as available-for-sale at June 28, 2014, were as follows:

		Amortized		Fair
(dollars in thousands)		Cost		Value
Available-for-sale:
Due within one year	$	3,935	$	3,965
Due after one year through five years		39,405		40,822
Due after five years through ten years		11,942		12,194
Equity securities		1,198		8,132
	$	56,480	$	65,113