Condensed Consolidated Statements of Comprehensive Income (Unaudited) (Parentheticals) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Net unrealized holding gain (loss) from available-for-sale securities, income tax expense (benefit) (in Dollars)	$ 2	$ (5)	$ (3)	$ (2)