INCOME TAXES (Details Textuals) (USD $)	3 Months Ended		12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Income Tax Reconciliation, Tax Credits, Research	$ 900,000	$ 900,000
Net deferred tax liability			60,399,000	34,239,000
Balances as of beginning of year			2,527,000	1,834,000	2,306,000
Unrecognized tax benefits that would impact effective tax rate			1,700,000	1,500,000
Unrecognized Tax Benefits Net			2,300,000
Unrecognized tax benefits, income tax penalties accrued			300,000
Unrecognized Tax Benefits, Interest on Income Taxes Expense			200,000
Liability impact from research and development and state tax returns			1,000,000
Unrecognized Tax Benefits, Interest on Income Taxes Accrued			400,000
Unrecognized Tax Benefits, Income Tax Penalties Expense			200,000
Aggregate Net Income Impact From Tax Related Items, Net of Expenses		2,000,000
Net Income Impact From Filing Amended Tax Returns, Net Of Expenses		$ 900,000
Effective Income Tax Rate, Continuing Operations			33.80%	31.00%	33.70%