Retirement, Pension and Other Postretirement Plans - Changes in Level 3 plan assets (Detail) - Level 3 [Member] - Pension Plans [Member] - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	$ 21,037	$ 20,927
Assets held, end of year	862	(412)
Purchases	2,760	2,330
Sales	(2,501)	(2,502)
Foreign currency translation	(513)	694
Ending balance	21,645	21,037
Other Types of Investments Insurance Contracts [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	21,037	20,927
Assets held, end of year	862	(412)
Purchases	2,760	2,330
Sales	(2,501)	(2,502)
Foreign currency translation	(513)	694
Ending balance	$ 21,645	$ 21,037