Other Income (Expense) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Other Income and Expenses [Abstract]
Foreign currency transaction gains (losses)	$ (42)	$ (187)	$ 113
Foreign currency exchange derivative losses	(15)	(197)	(11)
Pension Service Benefit	243	396	978
Interest income	28	63	69
Other	66	41	7
Other income (expense)	$ 280	$ 116	$ 1,156