Retirement Plans (Detail) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Apr. 30, 2022	Jan. 31, 2022	Apr. 30, 2021	Apr. 30, 2022	Apr. 30, 2021	Oct. 31, 2021
Retirement Benefits [Abstract]
Defined benefit plan, contributions by employer		$ 500
Supplemental benefit plan liability	$ 2,900			$ 2,900		$ 2,900
Deferred compensation liability	3,200			3,200		$ 3,400
Net periodic benefit cost:
Service cost	214		$ 212	430	$ 425
Interest cost	201		189	403	378
Expected return on plan assets	(497)		(490)	(995)	(980)
Amortization of net loss	2		36	3	72
Net periodic pension benefit	$ (80)		$ (53)	$ (159)	$ (105)