Marketable Securities (Tables)

3 Months Ended

Mar. 30, 2013

Marketable Securities [Abstract]

Marketable securities [Table Text Block]

				Gross		Gross
				Unrealized		Unrealized
(dollars in thousands)		Amortized		Holding		Holding		Fair
March 30, 2013		Cost		Gains		Losses		Value
Available-for-sale:
Level 1
Equity securities	$	1,136	$	8,718	$	---	$	9,854
Level 2
Municipal bonds		68,031		1,637		(843	)	68,825
	$	69,167	$	10,355	$	(843	)  $	78,679

				Gross		Gross
				Unrealized		Unrealized
(dollars in thousands)		Amortized		Holding		Holding		Fair
December 29, 2012		Cost		Gains		Losses		Value
Available-for-sale:
Level 1
Equity securities	$	1,136	$	7,714	$	---	$	8,850
Level 2
Municipal bonds		72,840		1,308		(497	)	73,651
	$	73,976	$	9,022	$	(497	)  $	82,501

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

		Amortized		Fair
(dollars in thousands)		Cost		Value
Available-for-sale:
Due within one year	$	4,438	$	4,317
Due after one year through five years		47,979		47,766
Due after five years through ten years		14,113		15,241
Due after ten years		1,501		1,501
Equity securities		1,136		9,854
	$	69,167	$	78,679