Employee Retirement and Deferred Compensation Plans (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Projected benefit obligation [Roll Forward]
Plan amendments adopted during year			$ 757
Defined Benefit Plan, Benefit Obligation, Period Increase (Decrease)	(3,115)	(1,201)	1,699
Unamortized Prior Service Cost [Roll Forward]
Plan amendments adopted during year			757
Supplemental Employee Retirement Plan [Member]
Plan costs
Service cost	568	619	562
Interest cost	1,198	1,142	1,276
Amortization of prior service obligation	936	969	947
Amortization of unrecognized losses	17	137	42
Total costs	2,719	2,867	2,827
Projected benefit obligation [Roll Forward]
Projected Benefit Obligation, beginning of year	38,222	38,980	35,815
Plan amendments adopted during year			757
Service cost	568	619	562
Interest cost	1,198	1,142	1,276
Defined Benefit Plan, Benefit Obligation, Benefits Paid	(1,358)	(1,318)	(1,129)
Defined Benefit Plan, Benefit Obligation, Period Increase (Decrease)	(3,115)	(1,201)	1,699
Projected Benefit Obligation, end of year	35,515	38,222	38,980
Unamortized Prior Service Cost [Roll Forward]
Unamorized Prior Service Cost, beginning of year	1,806	2,775	2,965
Plan amendments adopted during year			757
Amortization of prior service cost				$ (936)	$ (969)	$ (947)
Unamorized Prior Service Cost, end of year	870	1,806	2,775
Accumulated unrecognized loss				1,571	(1,560)	(2,898)
Accumulated Benefit Obligation				35,515	38,222	38,980
Accrued Benefit Obligation	$ 38,222	$ 38,980	$ 35,815	35,515	$ 38,222	$ 38,980
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year				1,363
Defined Benefit Plan, Expected Future Benefit Payment, Year Two				2,386
Defined Benefit Plan, Expected Future Benefit Payment, Year Three				2,702
Defined Benefit Plan, Expected Future Benefit Payment, Year Four				2,893
Defined Benefit Plan, Expected Future Benefit Payment, Year Five				2,993
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter				$ 15,981