Employee Retirement and Deferred Compensation Plans (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Oct. 31, 2011	Oct. 31, 2010	Oct. 31, 2009
Plan costs:
Service cost	$ 305	$ 270	$ 132
Interest cost	1,290	1,396	1,366
Amortization of prior service cost	694	1,248	1,076
Acceleration of benefits		72
Amortization of unrecognized gains			(1,272)
Total costs	2,289	2,986	1,302
Projected benefit obligation:
Projected benefit obligation, beginning of year	26,037	25,161	19,005
Plan amendments adopted during year	0	202
Service cost	305	270	132
Interest cost	1,290	1,396	1,366
Benefits paid	(504)	(125)	(125)
Change in unrecognized gain	2,638	(867)	4,783
Projected benefit obligation, end of year	29,766	26,037	25,161
Unamortized prior service cost:
Unamortized prior service cost, beginning of year	4,027	5,145	6,221
Plan amendments adopted during year		130
Amortization of prior service cost	(694)	(1,248)	(1,076)
Unamortized prior service cost, end of year	3,333	4,027	5,145
Accumulated unrecognized (loss) gain, October 31	(1,064)	1,574	707
Accumulated benefit obligation, October 31	29,766	26,037	25,161
Accrued benefit obligation, October 31	29,766	26,037	25,161
Amounts of benefits the Company required to pay in for the next five fiscal years
2012	641
2013	1,551
2014	1,638
2015	1,645
2016	1,761
November 1, 2016 - October 31, 2021	$ 11,522

Acceleration of benefits.

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- Definition

Accumulated unrecognized (loss) gain.

+ References

No definition available.

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- Definition

Defined benefit plan amendments related to unamortized prior service cost.

+ References

No definition available.

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- Definition

Increase decrease in unrecognized gain.

+ References

No definition available.

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- Definition

Unamortized prior service cost.

+ References

No definition available.

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- Definition

For defined benefit pension plans, the actuarial present value of benefits (whether vested or nonvested) attributed by the pension benefit formula to employee service rendered before a specified date and based on employee service and compensation (if applicable) before that date. The accumulated benefit obligation differs from the projected benefit obligation in that it includes no assumption about future compensation levels. For plans with flat-benefit or nonpay-related pension benefit formulas, the accumulated benefit obligation and the projected benefit obligation are the same.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

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- Definition

The amount of gains or losses recognized in net periodic benefit cost

+ References

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-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

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- Definition

The amounts in accumulated other comprehensive income related to prior service cost or credit expected to be recognized as components of net periodic benefit cost over the next fiscal year that follows the most recent annual statement of financial position presented.

+ References

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- Definition

The amount of the prior service cost or credit recognized in net periodic benefit cost relating to benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation.

+ References

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-Number 132R

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- Definition

1) For defined benefit pension plans, the benefit obligation is the projected benefit obligation, which is the actuarial present value as of a date of all benefits attributed by the pension benefit formula to employee service rendered prior to that date. The projected benefit obligation is measured using assumptions as to future compensation levels if the pension benefit formula is based on those future compensation levels (pay-related, final-pay, final-average-pay, or career-average-pay plans). For plans with flat-benefit or nonpay-related pension benefit formulas, the accumulated benefit obligation and the projected benefit obligation are the same. 2) For other postretirement defined benefit plans, the benefit obligation is the accumulated postretirement benefit obligation, which is the actuarial present value of benefits attributed to employee service rendered to a particular date. Prior to an employee's full eligibility date, the accumulated postretirement benefit obligation as of a particular date for an employee is the portion of the expected postretirement benefit obligation attributed to that employee's service rendered to that date; on and after the full eligibility date, the accumulated and expected postretirement benefit obligations for an employee are the same.

+ References

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

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-Subparagraph a

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-Publisher FASB

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-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph E1

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- Definition

The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services.

+ References

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-Publisher FASB

-Name FASB Staff Position (FSP)

-Number FAS106-2

-Paragraph 22

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- Definition

The amount of the aggregate benefits expected to be paid in the five fiscal years thereafter (the aggregate amount of benefits expected to be paid in years 6 through 10 after the date of the latest statement of financial position).

+ References