Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2018	Jul. 31, 2017
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	$ 52	$ 41
Domestic Plan [Member] | Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost	791	821	$ 2,375	$ 2,462
Expected return on plan assets	(839)	(864)	(2,519)	(2,592)
Amortization of net actuarial loss	328	377	984	1,131
Net periodic (benefit) cost	280	334	840	1,001
Pension Contributions			445
Domestic Plan [Member] | Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost	3	3	8	9
Expected return on plan assets	0	0	0	0
Amortization of net actuarial loss	1	2	5	8
Net periodic (benefit) cost	$ 4	$ 5	$ 13	$ 17