Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2015	Apr. 30, 2014
Defined Benefit Plan Disclosure [Line Items]
Pension Contributions			$ 1,870	$ 1,872
Estimated Future Employer Contributions in Next Fiscal Year	$ 2,600
United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost	866	$ 937	1,733	1,874
Expected return on plan assets	(1,174)	(1,070)	(2,349)	(2,140)
Recognized net actuarial net loss	297	269	593	538
Net periodic (benefit) cost	(11)	136	(23)	272
United States Postretirement Benefit Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost	6	9	12	19
Expected return on plan assets	0	0	0	0
Recognized net actuarial net loss	7	10	14	21
Net periodic (benefit) cost	$ 13	$ 19	$ 26	$ 40