Notes Payable - Bank Lines of Credit and Notes (Detail) - USD ($) $ in Thousands	Oct. 31, 2016	Oct. 31, 2015
Short-term Debt [Line Items]
Outstanding notes payable (all foreign bank debt)	$ 2,141	$ 1,108
Weighted-average interest rate on notes payable	4.35%	2.75%
Unused bank lines of credit	$ 59,378	$ 43,994
Foreign Bank Debt [Member]
Short-term Debt [Line Items]
Maximum borrowings under bank lines of credit (all foreign banks)	61,519	45,102
Outstanding notes payable (all foreign bank debt)	$ 2,141	$ 1,108