Marketable Securities (Tables)

9 Months Ended

Sep. 27, 2014

Marketable Securities [Abstract]

Marketable securities [Table Text Block]

Marketable securities, as of September 27, 2014 and December 28, 2013, consisted of:

			Gross		Gross
(dollars in thousands)	Amortized		Unrealized		Unrealized		Fair
September 27, 2014	Cost		Holding Gains		Holding Losses		Value
Available-for-sale:
Level 1
Equity securities	$	1,198	$	6,935	$	-	$	8,133
Level 2
Municipal bonds		59,369		1,808		(92)		61,085
	$	60,567	$	8,743	$	(92)	$	69,218

			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 September 27, 2014, were as follows:

		Amortized		Fair
(dollars in thousands)		Cost		Value
Available-for-sale:
Due within one year	$	4,940	$	4,970
Due after one year through five years		41,637		43,005
Due after five years through ten years		12,192		12,510
Due after ten years		600		600
Equity securities		1,198		8,133
	$	60,567	$	69,218