Employee Retirement and Deferred Compensation Plans (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Projected benefit obligation [Roll Forward]
Plan amendments adopted during year	$ 2,600	$ 4,956	$ 0
Defined Benefit Plan, Benefit Obligation, Period Increase (Decrease)	729	4,138	(3,115)
Unamortized Prior Service Cost [Roll Forward]
Plan amendments adopted during year	2,600	4,956	0
Supplemental Employee Retirement Plan [Member]
Plan costs
Service cost	453	403	568
Interest cost	1,158	1,416	1,198
Amortization of prior service obligation	1,468	506	936
Amortization of unrecognized losses	23	0	17
Total costs	3,102	2,325	2,719
Projected benefit obligation [Roll Forward]
Projected Benefit Obligation, beginning of year	45,070	35,515	38,222
Plan amendments adopted during year	2,600	4,956	0
Service cost	453	403	568
Interest cost	1,158	1,416	1,198
Defined Benefit Plan, Benefit Obligation, Benefits Paid	(1,636)	(1,358)	(1,358)
Defined Benefit Plan, Benefit Obligation, Period Increase (Decrease)	729	4,138	(3,115)
Projected Benefit Obligation, end of year	48,374	45,070	35,515
Unamortized Prior Service Cost [Roll Forward]
Unamorized Prior Service Cost, beginning of year	5,320	870	1,806
Plan amendments adopted during year	2,600	4,956	0
Amortization of prior service cost				$ (1,468)	$ (506)	$ (936)
Unamorized Prior Service Cost, end of year	6,452	5,320	870
Accumulated unrecognized loss				(3,273)	(2,567)	1,571
Accumulated Benefit Obligation				48,374	45,070	35,515
Accrued Benefit Obligation	$ 45,070	$ 35,515	$ 35,515	48,374	$ 45,070	$ 35,515
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year				1,930
Defined Benefit Plan, Expected Future Benefit Payment, Year Two				2,851
Defined Benefit Plan, Expected Future Benefit Payment, Year Three				3,148
Defined Benefit Plan, Expected Future Benefit Payment, Year Four				3,180
Defined Benefit Plan, Expected Future Benefit Payment, Year Five				3,314
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter				$ 17,289