Retirement, Pension and Other Postretirement Plans - Net Postretirement Benefit Cost (Detail) - Retirement Plans [Member] - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
United States [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 545	$ 709	$ 722
Interest cost	2,984	2,557	2,337
Amortization of prior service credit	(26)	(99)	(164)
Amortization of net actuarial (gain) loss	634	1,079	874
Total benefit cost	4,137	4,246	3,769
International [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	16	20	20
Interest cost	19	20	20
Amortization of net actuarial (gain) loss	(28)	(20)	(17)
Total benefit cost	$ 7	$ 20	$ 23