Employee Retirement Plans (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2014	Jul. 31, 2013	Jul. 31, 2014	Jul. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Number of Unfunded Defined Benefit Retirement Plans			2
Costs and payments related to supplemental retirement plans
Service cost	$ 123	$ 118	$ 358	$ 354
Interest cost	319	261	955	782
Amortization of prior service obligation	164	211	486	633
Amortization of unrecognized losses	3	36	9	108
Total costs	609	626	1,808	1,877
Benefits paid	$ 233	$ 233	$ 677	$ 677