Marketable Securities (Tables)

3 Months Ended

Mar. 29, 2014

Marketable Securities [Abstract]

Marketable securities [Table Text Block]

Marketable securities, as of March 29, 2014 and December 28, 2013, consisted of:

			Gross		Gross
(dollars in thousands)	Amortized		Unrealized		Unrealized		Fair
March 29, 2014	Cost		Holding Gains		Holding Losses		Value
Available-for-sale:
Level 1
Equity securities	$	1,198	$	6,815	$	-	$	8,013
Level 2
Municipal bonds		55,573		1,688		(261)		57,000
	$	56,771	$	8,503	$	(261)	$	65,013

			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 March 29, 2014, were as follows:

		Amortized		Fair
(dollars in thousands)		Cost		Value
Available-for-sale:
Due within one year	$	5,133	$	5,160
Due after one year through five years		37,973		39,235
Due after five years through ten years		12,467		12,605
Equity securities		1,198		8,013
	$	56,771	$	65,013