Retirement Plans (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2022	Oct. 31, 2021	Jan. 31, 2021
Retirement Benefits [Abstract]
Defined benefit plan, contributions by employer		$ 500
Supplemental benefit plan liability	$ 2,900	2,900
Deferred compensation liability	3,400	$ 3,400
Net periodic benefit cost:
Service cost	216		$ 212
Interest cost	202		189
Expected return on plan assets	(498)		(490)
Amortization of net loss	1		36
Net periodic pension benefit	$ (79)		$ (53)