Employee Retirement and Deferred Compensation Plans (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Projected benefit obligation [Roll Forward]
Plan amendments adopted during year	$ 768	$ 511	$ 826
Defined Benefit Plan, Benefit Obligation, Period Increase (Decrease)	(382)	1,183	(3,636)
Unamortized Prior Service Cost [Roll Forward]
Plan amendments adopted during year	768	511	826
Supplemental Employee Retirement Plan [Member]
Plan costs
Service cost	579	470	471
Interest cost	1,232	1,277	1,044
Amortization of prior service obligation	806	662	843
Amortization of unrecognized losses	81	8	144
Total costs	2,698	2,417	2,502
Projected benefit obligation [Roll Forward]
Projected Benefit Obligation, beginning of year	34,606	32,136	34,319
Plan amendments adopted during year	768	511	826
Service cost	579	470	471
Interest cost	1,232	1,277	1,044
Benefits paid	(988)	(971)	(888)
Defined Benefit Plan, Benefit Obligation, Period Increase (Decrease)	(382)	1,183	(3,636)
Projected Benefit Obligation, end of year	35,815	34,606	32,136
Unamortized Prior Service Cost [Roll Forward]
Unamorized Prior Service Cost, beginning of year	3,003	3,154	3,171
Plan amendments adopted during year	768	511	826
Amortization of prior service cost	(806)	(662)	(843)
Unamorized Prior Service Cost, end of year	2,965	3,003	3,154
Accumulated unrecognized loss				$ 1,240	$ 1,703	$ 527
Accumulated Benefit Obligation				35,815	34,606	32,136
Accrued Benefit Obligation	34,606	$ 32,136	$ 34,319	35,815	$ 34,606	$ 32,136
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year	$ 988
Defined Benefit Plan, Expected Future Benefit Payments, Year Two				2,028
Defined Benefit Plan, Expected Future Benefit Payments, Year Three				2,124
Defined Benefit Plan, Expected Future Benefit Payments, Year Four				2,468
Defined Benefit Plan, Expected Future Benefit Payments, Year Five				2,576
Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter				$ 14,214