Condensed Consolidated Statements of Comprehensive Earnings (Unaudited) (Parentheticals) (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Apr. 01, 2012	Mar. 31, 2013	Apr. 01, 2012
Unrealized loss (gain) on available-for-sale securities, tax (benefit) (in Dollars) (in Dollars)	$ 174,133	$ 24,023	$ 88,511	$ (47,184)