Equity Earnings of Unconsolidated Affiliates, Net of Tax and Net Income Attributable to Noncontrolling Interests - Additional Information (Detail)	3 Months Ended		9 Months Ended
	Jul. 31, 2017 USD ($)	Jul. 31, 2016 USD ($)	Jul. 31, 2017 USD ($) affiliate	Jul. 31, 2016 USD ($)
Noncontrolling Interest [Abstract]
Percentage of investments in affiliates in which company have non controlling interest			20.00%
Number of affiliates in which company has equity interest (affiliate) | affiliate			2
Equity earnings (losses)	$ (300,000)	$ (800,000)	$ (300,000)	$ (800,000)
Dividends received from company's equity method affiliates	0	0	0	0
Net income attributable to noncontrolling interests	$ 3,600,000	$ 300,000	$ 10,100,000	$ 2,600,000