Consolidated Statements of Operations and Comprehensive Income (Unaudited) (Parentheticals) (USD $)	3 Months Ended		9 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012
Consolidated Statements of Comprehensive Income (Unaudited)
Unrealized gain (loss) from hedging activities of equity method investments arising during period tax	$ (21,000)	$ 10,000	$ 17,000	$ (535,000)
Reclassification adjustment of realized gain (loss) from hedging activities of equity method investments included in net income,tax	$ (33,000)	$ 268,000	$ 30,000	$ 533,000