Condensed Consolidated Statements of Comprehensive Income (Unaudited) (Parentheticals) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2014	Jul. 31, 2013	Jul. 31, 2014	Jul. 31, 2013
Statement of Comprehensive Income [Abstract]
Unrealized gain (loss) from hedging activities of equity method investments arising during period tax	$ (7)	$ (21)	$ 328	$ 17
Reclassification adjustment of realized gain (loss) from hedging activities of equity investments included in net income, tax	(59)	(33)	(199)	30
Net current period benefit activities of equity method investments, tax	$ (16)		$ (16)