EARNINGS PER SHARE (Details) (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Net Income for Basic Earnings Per Share (in dollars)	$ 13,410,659	$ 12,374,361	$ 30,513,387	$ 30,849,875
Basic Weighted Average Number of Shares (in shares)	27,939,780	26,960,277	27,682,345	26,919,678
Net Income per Share - Basic (in dollars per share)	$ 0.48	$ 0.46	$ 1.10	$ 1.15
Net Income for Diluted Earnings Per Share (in dollars)	$ 13,410,659	$ 12,374,361	$ 30,513,387	$ 30,849,875
Diluted Weighted Average Number of Shares (in shares)	27,939,780	26,960,277	27,682,345	26,919,678
Net Income Per Share - Diluted (in dollars per share)	$ 0.48	$ 0.46	$ 1.10	$ 1.15