Consolidated Statements of Comprehensive Income (Unaudited) (Parentheticals) (USD $) In Thousands	3 Months Ended	6 Months Ended
Apr. 30, 2011	Apr. 30, 2010	Apr. 30, 2011	Apr. 30, 2010
Consolidated Statements of Comprehensive Income (Unaudited)
Tax effect of unrealized gain (loss) from hedging activities of equity method investments	$ (66)	$ (540)	$ 55	$ (171)
Tax effect of reclassification from hedging activities of equity method investments	$ 56	$ 456	$ 308	$ 884

Tax effect on reclassification adjustment for accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges included in accumulated comprehensive income that was realized in net income during the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 51
-Paragraph 38
-Subparagraph c(3)

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 130
-Paragraph 25

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