Equity Earnings (Losses) of Unconsolidated Affiliates, Net of Tax and Net Income Attributable To Noncontrolling Interests (Details) (USD $)	3 Months Ended		9 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010
Equity Earnings (Losses) of Unconsolidated Affiliates, Net of Tax and Net Income Attributable To Noncontrolling Interests (Textuals) [Abstract]
Equity earnings of affiliates	$ 1,495,000	$ 3,141,000	$ 1,992,000	$ 3,272,000
Net income attributable to noncontrolling interests	(2,034,000)	(1,784,000)	(1,397,000)	(5,394,000)
Number of affiliates in which company has equity interest			7
Percentage of investments in affiliates in which company have non controlling interest			20 percent or more
Dividends received from company's equity method affiliates			0	0
Principal balance of loan made to an entity deemed VIE	22,200,000		22,200,000
Outstanding amount of loan	$ 21,300,000		$ 21,300,000