Consolidated Statements of Comprehensive Income (Parentheticals) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Statement of Comprehensive Income [Abstract]
Unrealized gain (loss) from hedging activities of equity method investments arising during period, tax	$ (1,028)	$ 225	$ (69)
Reclassification adjustment of realized (gain) loss from hedging activities of equity investments included in net income, tax	652	(177)	$ 85
Net current period benefit activities of equity method investments, tax	$ (23)	$ (16)