EMPLOYEE RETIREMENT PLANS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 31, 2011	Oct. 31, 2010	Oct. 31, 2009
EMPLOYEE RETIREMENT PLANS
Investments, Savings, Employee Stock Ownership Plan, expenses	$ 12,686	$ 15,500	$ 15,200
Projected benefit obligation	40,989	38,696
Amount of net liability recognized	4,467	4,272
Accumulated benefit obligation	38,446	36,685
Funded status of plans	10,847	10,022
Fair value of the plan assets	30,141	28,674
Net expense recognized	1,520	326	1,629
Amounts recognized in accumulated other comprehensive loss
Net actuarial loss	3,952	3,530
Net prior service cost (credit)	(152)	(269)
Accumulated other comprehensive loss	3,800	3,261	3,942
Amounts included in accumulated other comprehensive loss, expected to be recognized as components of net periodic benefit cost
Net loss	501
Net prior service cost (credit)	(81)
Amounts recognized in net periodic benefit cost and other comprehensive income
Net (gain) loss	431	258
Curtailment gain		(578)
Amortization of unrecognized prior service (credit) cost	118	65
Amortization of unrecognized actuarial gain	(10)	(426)
Total recognized in other comprehensive (income) loss	539	(681)	2,633
Total recognized in net periodic benefit cost and other comprehensive (income) loss	2,059	(355)
Defined Benefit Pension Plans
Amounts recognized in accumulated other comprehensive loss
Net actuarial loss	1,788	1,309
Net prior service cost (credit)	192	248
Accumulated other comprehensive loss	1,980	1,557
Amounts included in accumulated other comprehensive loss, expected to be recognized as components of net periodic benefit cost
Net loss	331
Net prior service cost (credit)	87
Amounts recognized in net periodic benefit cost and other comprehensive income
Net (gain) loss	160	(411)
Curtailment gain		(578)
Amortization of unrecognized prior service (credit) cost	(55)	(56)
Amortization of unrecognized actuarial gain	318	(351)
Total recognized in other comprehensive (income) loss	423	(1,396)
Total recognized in net periodic benefit cost and other comprehensive (income) loss	714	(1,621)
Other Postretirement Benefit Plans
Amounts recognized in accumulated other comprehensive loss
Net actuarial loss	2,164	2,221
Net prior service cost (credit)	(344)	(517)
Accumulated other comprehensive loss	1,820	1,704
Amounts included in accumulated other comprehensive loss, expected to be recognized as components of net periodic benefit cost
Net loss	170
Net prior service cost (credit)	(168)
Amounts recognized in net periodic benefit cost and other comprehensive income
Net (gain) loss	271	669
Amortization of unrecognized prior service (credit) cost	173	121
Amortization of unrecognized actuarial gain	(328)	(75)
Total recognized in other comprehensive (income) loss	116	715
Total recognized in net periodic benefit cost and other comprehensive (income) loss	$ 1,345	$ 1,266