INCOME TAX EXPENSES (Details 2) (USD $)	3 Months Ended		9 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011
Net income	$ 3,255,538	$ 2,519,845	$ 23,412,891	$ 20,549,196
Less Tax savings	(385,066)	(303,004)	(2,760,059)	(2,102,619)
Proforma Net income	$ 2,870,472	$ 2,216,841	$ 20,652,832	$ 18,446,577
Proforma Net income per share:
Basic (in dollars per share)	$ 0.08	$ 0.06	$ 0.55	$ 0.50
Diluted (in dollars per share)	$ 0.08	$ 0.06	$ 0.55	$ 0.49