Employee Retirement and Deferred Compensation Plans (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Plan costs
Service cost	$ 389	$ 305	$ 270
Interest cost	1,212	1,290	1,396
Amortization of prior service obligation	737	694	1,248
Acceleration of Benefits			72
Amortization of unrecognized losses	66
Total costs	2,404	2,289	2,986
Projected benefit obligation [Roll Forward]
Projected Benefit Obligation, beginning of year	29,766	26,037	25,161
Plan amendments adopted during year	575		202
Service cost	389	305	270
Interest cost	1,212	1,290	1,396
Benefits paid	(731)	(504)	(125)
Defined Benefit Plan, Benefit Obligation, Period Increase (Decrease)	3,108	2,638	(867)
Projected Benefit Obligation, end of year	34,319	29,766	26,037
Unamortized Prior Service Cost [Abstract]
Unamortized Prior Service Cost, beginning of year	3,333	4,027	5,145
Plan amendments adopted during year	575		130
Amortization of prior service cost	(737)	(694)	(1,248)
Unamortized Prior Service Cost, end of year	3,171	3,333	4,027
Accumulated Unrecognized Loss Gain	(4,307)	(1,265)	1,372
Accumulated Benefit Obligation	34,319	29,766	26,037
Accrued Benefit Obligation	34,319	29,766	26,037
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year	955
Defined Benefit Plan, Expected Future Benefit Payments, Year Two	1,042
Defined Benefit Plan, Expected Future Benefit Payments, Year Three	1,645
Defined Benefit Plan, Expected Future Benefit Payments, Year Four	1,770
Defined Benefit Plan, Expected Future Benefit Payments, Year Five	2,028
Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter	$ 12,247