Consolidated Statements of Comprehensive Income (Unaudited) (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)
Net Income	$ 47,408	$ 46,825	$ 131,848	$ 160,574
Other Comprehensive Income:
Unrealized gain (loss) from hedging activities of equity method investments, net of tax	(104)	(838)	81	(265)
Reclassification adjustment from hedging activities of equity method investments included in net income, net of tax	87	708	480	1,372
Total Comprehensive Income	$ 47,391	$ 46,695	$ 132,409	$ 161,681