Employee Benefits (Schedule of Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Compensation and Retirement Disclosure [Abstract]
Net transition obligation	$ 0	$ 0	$ 0
Prior service cost	0	0	0
Net loss	15,950	5,426	211
Amortization of net transition obligation	(21)	(21)	(21)
Amortization of prior service cost	(24)	(24)	(24)
Amortization of net gain	(1,126)	(752)	(797)
Reduction in net transition obligation due to curtailment	0	0	(14)
Reduction in prior service cost due to curtailment	0	0	(29)
Reduction in net loss due to curtailment	0	0	(594)
Total recognized in other comprehensve income	14,779	4,629	(1,268)
Total recognized in net periodici benefit cost and other comprehensive income	$ 20,515	$ 10,203	$ 3,812