Pension and Other Post-Retirement Benefit Matters (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Defined Benefit Plan Disclosure [Line Items]
Number of employees receiving post-retirement benefits	24
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Defined Benefit Plan, Benefit Obligation	$ 13,728
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Defined Benefit Plan, Contributions by Employer	5,907
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Defined Benefit Plan, Benefit Obligation	(75,292)	(70,912)
Defined Benefit Plan, Service Cost	0	(140)
Defined Benefit Plan, Interest Cost	(3,683)	(3,821)
Defined Benefit Plan, Plan Amendments	0	0
Defined Benefit Plan, Actuarial Net (Gains) Losses	(13,186)	(3,913)
Defined Benefit Plan, Benefits Paid	3,496	3,494
Defined Benefit Plan, Benefit Obligation	(88,665)	(75,292)
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Defined Benefit Plan, Fair Value of Plan Assets	46,218	42,488
Defined Benefit Plan, Actual Return on Plan Assets	4,601	2,769
Defined Benefit Plan, Contributions by Employer	5,907	4,455
Defined Benefit Plan, Benefits Paid	(3,496)	(3,494)
Defined Benefit Plan, Fair Value of Plan Assets	53,230	46,218
Defined Benefit Plan, Funded Status of Plan	(35,435)	(29,074)
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Other Postretirement Benefits Payable	(940)	(935)	(590)
Defined Benefit Plan, Service Cost	0	(7)
Defined Benefit Plan, Interest Cost	(45)	(30)
Defined Benefit Plan, Plan Amendments	0	98
Defined Benefit Plan, Actuarial Net (Gains) Losses	18	(445)
Defined Benefit Plan, Benefits Paid	22	39
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Defined Benefit Plan, Actual Return on Plan Assets	0	0
Defined Benefit Plan, Contributions by Employer	22	39
Defined Benefit Plan, Benefits Paid	(22)	(39)
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Defined Benefit Plan, Funded Status of Plan	$ (940)	$ (935)