Notes Payable - Bank Lines of Credit and Notes (Detail) - USD ($) $ in Thousands	Oct. 31, 2017	Oct. 31, 2016
Short-term Debt [Line Items]
Outstanding borrowings / notes payable (all foreign bank debt)		$ 2,141
Foreign Bank Debt [Member]
Short-term Debt [Line Items]
Maximum borrowings available under bank lines of credit (all foreign banks)	$ 75,041	61,519
Outstanding borrowings / notes payable (all foreign bank debt)		$ 2,141
Weighted-average interest rate on notes payable		4.35%
Unused bank lines of credit	$ 75,041	$ 59,378